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MPT 195205
  • Female, 23 Years
  • Activity Score284

Priya T

Associated for 3 Years 3 Months
  • Qualification:
    M.Sc IN FORENSIC SCIENCE , B.Sc IN BIOTECHNOLOGY
  • Experience:
    I have an experience of 2 years in teaching BIOLOGY, PHYSICS, CHEMISTRY, ZOOLOGY and BOTANY. i have a passion for studying as well teaching and have been adjudged as a good teacher and tutor by parents of kids whom i have taught.
  • Teaches:
    All Subjects, School level computer, Mathematics, English, Biology, Special Education
  • Board:
    All Boards
  • Areas:
  • Pincode:
    201301
Profile Details
Profile Details

Qualification :

M.Sc IN FORENSIC SCIENCE , B.Sc IN BIOTECHNOLOGY

Total Experience :

3 Years

I have an experience of 2 years in teaching BIOLOGY, PHYSICS, CHEMISTRY, ZOOLOGY and BOTANY. i have a passion for studying as well teaching and have been adjudged as a good teacher and tutor by parents of kids whom i have taught.

Tutoring Option:

Home Tuition Only

Tutoring Approach:

The first step to choosing a teaching method is to assess the students. This assessment can be formal or informal. Formal assessments include standardized tests, tests from the textbook or curriculum being used, or teacher-created tests. These assessments can give you an idea of the previous instruction that the students have received as well as their academic level. The students in your class may have undergone various teaching methods and quality of instruction in previous years. Once you have assessed your students, you need to plan for different teaching methods. Direct instruction is the most common form of instruction. This is the lecturing method of teaching. Many teachers use this teaching method almost exclusively, as it is considered the simplest, and you can cover large amounts of material in a short period of time. However, this is not the most effective teaching method to reach all students, especially younger ones, who often need a more engaging, hands-on strategy in order to learn effectively. In addition, it is hard for teachers to tailor instruction to students at different levels. Inquiry-based learning is a teaching method which is rapidly gaining popularity in the United States. Based on the scientific method, this teaching method can be used for virtually all subjects. Using inquiry-based learning takes a lot of time, energy, and planning, but it is often very effective. Students practice problem solving and critical thinking skills to arrive at a conclusion. This teaching method is extremely student-centered and student-directed, and can be modified for students at any level, reaching them where they are. Teachers will generally need to start by modeling the process to the students. Cooperative learning is another teaching method that is considered highly effective when done correctly. With cooperative learning, students are put in small groups to work together. They are usually not grouped by ability, but put in a group with children at a variety of levels. The students are then given tasks to accomplish together. Teachers may need to monitor these groups carefully, to make sure they are staying on task and that all students are participating. This form of instruction also lends itself well to differentiation, because the teacher can assign specific tasks to children at different ability levels. One more common teaching method is to teach information processing strategies. While it is often advisable to have students really understand the teaching methods and not just memorize facts, there are some cases when facts need to be memorized. Facts and concepts may also need to be grouped or organized in order to facilitate better understanding. Teachers can use various teaching methods to help students with memorization, or they can use graphic organizers, mind maps, story webs, or other ways to represent information visually.

Hourly Fees [INR]:

1200.00

Class 1 - 5 All Subjects, All Boards INR 800.00 /hour
Class 9 - 10 Mathematics, English, Biology, Special Education, All Boards INR 1200.00 /hour
Class 6 - 8 Mathematics, English, Biology, School level computer, All Boards INR 1000.00 /hour
Educational Resources
Educational Resources

Notes written by me [3]

Importance Of Hair
  • File(s) contain : 1
2 times downloaded

Introduction history types of hair parts types of medulla types of cuticle racial differences difference in human and animal hairs hair microscopy hair as an evidence.

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Crime Scene Investigation
  • File(s) contain : 1
4 times downloaded

Introduction to seven S's of SCI 

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Secretor And Non Secretor Status
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4 times downloaded

Introduction test for secretor and non secretor status

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Presentations prepared by me [6]

GLYCOLYSIS AND FERMENTATION
3 times downloaded

introduction glycolysis process of glycolysis fermentation types of fermentation alcoholic fermentation

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Living World
7 times downloaded

introduction characteristics features of living things difference between living and non living history of taxonomy Guidelines and Principles for Nomenclature Taxonomical Aids

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Gene Cloning
22 times downloaded

What is Gene Cloning? What is PCR? History of Gene Cloning, New advent in Gene cloning, steps of Gene Cloning application. 

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Asphyxial Death
10 times downloaded

Introduction types causes mechanism strangulation hanging smothering drowning choking crush

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Nuclear Reaction And Radioacticity
5 times downloaded

In this ppt,following topics are discussed. content- nuclear reaction natural radioactivity nuclear reaction the nature of nucleus type of radioactive decay measurement of radiation radiation units radiation exposure nuclear energy nuclear fusion nuclear fi...

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Cell It's Structure And Functions
8 times downloaded

Content 1. Introduction 2.History 3.Cell basic structure and functions. 4.Types of cell organelles. 5.Types of cell 6. Difference between prokaryotic and eukaryotic cell 7.Animal and plant cell 8. Difference between plant and animal cell.

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Answer
Answer
  • Question: What is the fermentation process?

    Posted in: Chemistry | Date: 21/03/2016

    Answer:

    It is a chemical process by which molecules such as glucose are broken down anaerobically.Fermentation is a natural process.For example, yeast perform fermentation to obtain energy by converting sugar into alcohol. Bacteria perform fermentation, converting carbohydrates into lactic acid. People applied fermentation to make products such as wine, mead, cheese and beer long before the biochemical process was understood.

  • Question: What is the construction of a box type solar cooker?

    Posted in: Physics | Date: 21/03/2016

    Answer:

    A solar box cooker is basically a large box with a glass lid that will function as an oven. However, the heat losses over a larger surface area will partially offset the additional gain through having a greater heat collecting surface. What is usually done to compensate for this is that a glazed surface cover and reflectors are used to increase the apparent collector area. These reflectors can be made from a variety of materials and their primary purpose is to reflect sunlight through the glazing material and into the cooking space inside of the box.

    The box cooker consists of some type of heat trapping enclosure, which usually takes the form of a box made of insulating material with one face of the box fitted with a transparent medium, such as glass or plastic. This enables the cooker to utilize the greenhouse effect and incident solar radiation cooks the food within the box. The insulating material allows cooking temperatures to reach similar levels on cold and windy days as on hot days, as well as having an added benefit of blocking any leakages that could potentially seep through and damage the cooker. A dark cooking pot is recommended for cooking as it absorbs the maximum amount of heat and allows for higher cooking temperatures. 

    A good rule of thumb that indicates when the sun is high enough in the sky to allow for efficient cooking is when the length of one's shadow on the ground is shorter than that individual's height.

    There are three types of materials that are typically used in the construction of solar box cookers. A property that must be considered in the selection of materials is moisture resistance.

    • Structural material
    • Insulation
    • Transparent material
    • Moisture resistance

      Structural material

      Structural materials are necessary so that the box will have and retain a given shape and form, and be durable over time.

      Structural materials include cardboard, wood, plywood, masonite, bamboo, metal, cement, bricks, stone, glass, fiberglass, woven reeds, rattan, plastic, papier mache, clay, rammed earth, metals, tree bark, cloth stiffened with glue or other material.

      Many materials that perform well structurally are too dense to be good insulators. To provide both structural integrity and good insulation qualities, it is usually necessary to use separate structural and insulating materials.

      Insulation

       

      In order for the box to reach interior temperatures high enough for cooking, the walls and the bottom of the box must have good insulation (heat retention) value. Good insulating materials include: aluminum foil (radiant reflector), feathers (down feathers are best), spun fiberglass, rockwool, cellulose, rice hulls, wool, straw, and crumpled newspaper.

      When building a solar cooker, it is important that the insulation materials surround the interior cooking cavity of the solar box on all sides except for the glazed side -- usually the top. Insulating materials should be installed so that they allow minimal conduction of heat from the inner box structural materials to the outer box structural materials. The lower the box heat loss, the higher the cooking temperatures.

      Transparent material

      At least one surface of the box must be transparent and face the sun to provide for heating via the "greenhouse effect." The most common glazing materials are glass and high temperature plastics such as oven roasting bags. Double glazing using either glass or plastic affects both the heat gain and the heat loss. Depending on the material used, the solar transmittance - heat gain - may be reduced by 5-15%. However, because the heat loss through the glass or plastic is cut in half, the overall solar box performance is increased.

      Moisture resistance

      Most foods that are cooked in a solar box cooker contain moisture. When water or food is heated in the solar box, a vapor pressure is created, driving the moisture from the inside to the outside of the box. There are several ways that this moisture can travel. It can escape directly through box gaps and cracks or be forced into the box walls and bottom if there is no moisture barrier. If a box is designed with high quality seals and moisture barriers, the water vapor may be retained inside the cooking chamber. In the design of most solar box cookers, it is important that the inner-most surface of the cooker be a good vapor barrier. This barrier will prevent water damage to the insulation and structural materials of the cooker by slowing the migration of water vapor into the walls and bottom of the cooker.

      Design and Proportion

      Box size

      A solar box cooker should be sized in consideration of the following factors:

    • The size should allow for the largest amount of food commonly cooked.
    • If the box needs to be moved often, it should not be so large that this task is difficult.
    • The box design must accommodate the cookware that is available or commonly used.
    • Solar collection area to box volume ratio

      Everything else being equal, the greater the solar collection area of the box relative to the heat loss area of the box, the higher the cooking temperatures will be.

      Given two boxes that have solar collection areas of equal size and proportion, the one that is of less depth will be hotter because it has less heat loss area.

      Solar box cooker proportion

       

      A solar box cooker facing the noon sun should be longer in the east/west dimension to make better use of the reflector over a cooking period of several hours. As the sun travels across the sky, this configuration results in a more consistent cooking temperature. With square cookers or ones having the longest dimension north/south, a greater percentage of the early morning and late afternoon sunlight is reflected from the reflector to the ground, missing the box collection area.

      Reflector

      One or more reflectors are employed to bounce additional light into the solar box in order to increase cooking temperatures. Although it is possible to solar cook without reflectors in equatorial regions when the sun is mostly overhead, reflectors increase cooking performance significantly in temperate regions of the world.

      Solar Box Cooker Operation

      One of the beauties of solar box cookers is their ease of operation. For mid-day cooking at 20° N - 20° S latitude, solar box cookers with no reflector need little repositioning to face the sun as it moves across the mid-day sky. The box faces up and the sun is high in the sky for a good part of the day. Boxes with reflectors can be positioned toward the morning or afternoon sun to do the cooking at those times of day.

      Solar box cookers used with reflectors in the temperate zones do operate at higher temperatures if the box is repositioned to face the sun every hour or two. This adjustment of position becomes less necessary as the east/west dimension of the box increases relative to the north/south dimension.

  • Question: How do shooting starts acquire brightness?

    Posted in: Physics | Date: 21/03/2016

    Answer:

    Meteors, or shooting stars as they are more commonly known, are the streaks of light produced when a meteoroid burns up in the Earth's atmosphere. It looks like a star falling towards us as it momentarily flashes above us. The meteoroids, which produce the meteors, are dust and rocks in space.

    Comets and asteroids are the two main sources. Upon coming close to the Sun, comets lose dust and fragments while asteroids lose fragments if they collide together. As the Earth moves along its orbital path, meteoroids hit the upper atmosphere and hurtle towards Earth's surface. Once in the atmosphere, friction between the meteoroid and air molecules often produces the brief trail of light that we call a meteor.

    Most meteors typically measure 1m across and 20km long, and consist of a cylinder of excited atoms and molecules. They are normally seen between 120 and 80km above Earth's surface.

    To produce a meteor, a meteoroid needs only a mass of one millionth of a gram, but needs to be travelling at a tremendous speed: anywhere between 11 and 74km/sec (that is up to 100 times faster than a rifle bullet). The factors that determine the luminosity of a meteor are the size, speed, mass and structure of the meteoroid's material. Large meteoroids, which produce longer meteors reaching a magnitude of -10, are called fireballs. Tens of thousands of them fall to Earth each year, around five thousand of which break up and explode. Such explosive meteors are called bolides.

    Around 220,000 tonnes of space dust enters our atmosphere each year. Most of it is made up of the tiny particles that produce meteors.

    Meteors are either sporadic (a random meteor) or part of a shower (this is when meteors occur regularly at a predicted date and time, coming from the same region of the sky, annually).

  • Answer:

    Concentrated sulphuric acid is a strong dehydrated agent. It takes out water of crystallization from the crystals of copper sulphate leaving behind anhydrous white powder of Cu2SO4.

                                CuSO4.5H2O              -----------          conc. H2SO4            ---------> CuSO4(s) + 5H2O(l)  

                          Copper Sulphate crystals          Anhydrous Copper Sulphate        ( absorbed by Conc. H2SO4)

  • Answer:

    The sugar, a carbohydrate such as C6H12O8, is mixed with the sulfuric acid, H2SO4.

    The sulfuric acid dehydrates the carbohydrate removing water H2O and leaving behind carbon, C. The hot steam creates bubbles in the carbon making a carbon foam. When the foam cools it is stiff. The foam should be handles while wearing gloves since it might contain sulfuric acid.

    C12H22O11 (sugar) + H2SO4 (sulfuric acid) → 12 C (carbon) + 11 H2O (water) + mixture water and acid  

  • Question: _ _ _ _ is not a multimedia application/software.

    Posted in: Basic Computer | Date: 10/04/2016

    Answer:

    page mager-A full-featured desktop publishing program for Windows and Macintosh from Adobe. PageMaker was the de facto standard in the graphics arts industry for many years for creating ads, brochures, newsletters and books of all sizes and kinds. Introduced originally for the Mac in 1985 by Aldus Corporation, it set the standard for desktop publishing. In fact, Paul Brainerd, president of Aldus, coined the term. The PC version was introduced in 1987 for Windows 1.0 and was the first non-Microsoft Windows application. PageMaker was superseded by Adobe's InDesign.

    PowerPoint is a complete presentation graphics package. It gives you everything you need to produce a professional-looking presentation. PowerPoint offers word processing, outlining, drawing, graphing, and presentation management tools- all designed to be easy to use and learn. 

    Flash, a popular authoring software developed by Macromedia, is used to create vector graphics-based animation programs with full-screen navigation interfaces, graphic illustrations, and simple interactivity in an antialiased, resizable file format that is small enough to stream across a normal modem connection. 

    personal computer games are more commonly referred to ascomputer games or PC games. They are played on the personal computer with standard computer interface devices such as thekeyboard and mouse, or a joystick or gamepad. Video feedback is received by the gamer through the computer screen, andsoundthrough speakers or headphones.

    all are application or software except computer games

  • Answer:

    The Supreme Court of India is the guardian of the constitution. There are two points of significance of the Supreme Court’s rule as the protector and guardian of the constitution.

    • First, as the highest Federal Court, it is within the power and authority of the Supreme Court to settle any dispute regarding division of powers between the Union and the States.
    • Secondly, it is in the Supreme Court’s authority to safeguard the fundamental rights of the citizens.

    In order to discharge these two functions it is sometimes necessary for the Supreme Court to examine or review the legality of the laws enacted by both the Union and the State Governments. This is known as the power of Judicial Review. Indian Supreme Court enjoys limited power of Judicial Review.

    Writ Jurisdictions: Under Article 32 of the constitution of Supreme Court can issue Writs for the enforcement of fundamental rights. These writs are in the nature of Habeas Corpus, Mandamas, Prohibition, and Quo-warranto Certiorari.

    The Constitution has assigned to the Supreme Court the responsibility for the protection of Fundamental Rights. The Supreme Court can declare any law null and void if it violates the exercise of Fundamental Rights. The Court also protect these rights if they are infringed by the action of the executive. In case of violation of these rights, the affected Supreme Court and the Court may issue the writs in the nature of Habeas Corpus, Mandamus, Quo-Warranto, Prohinition and Certiorari. These writs can also be issued by the High Court.

    Habeas Corpus – The writ of Habeas Corpus is issued by the court to effect the release of a person who has not been detained legally. Under this writ, the court issue order to the concerned authority or person to produce the detainee before the court in order to let the court know on what grounds the concerned person has been detained and to set him free if there is no legal justification for imprisonment. It shoul be noted that the writ of Habeas Corpus can be issued against both an official and private person.

    Mandamus – The writ of Mandamus meaning ‘Command’, is addressed to a public authority to command him to do a duty which he is supposed to do but he has not performed. The writ of Mandamus can also be issued against lower courts, if they have refused to exercise their designated jurisdiction. This writ can not be issued against private persons.

    Prohibition – The writ of Prohibition is issued by the Supreme Court or the High Court against the lower courts to prevent the latter from usurping their designated jurisdiction. Thus the writ of Prohibition ensures that the lower courts should limit heir activities within the limit of their jurisdiction and should not go beyond that limit. The effect of the writ is that the proceedings in a case, which is beyond jurisdiction, are stopped and the lower court and the case is transferred to the court which is competent to exercise the jurisdiction in that case.

    Certiorari – The writ of Cartiorari is also issued against inferior courts by the Supreme Court or High Courts, if the lower court have violated their jurisdiction and pronounced the decision on the case. The effect of this writ is that the judgement or the order issued by the lower court is quashed and the case is transferred to the appropriate court. The ground for issuing the writs of Prohibition and Certiorari is the same i.e., violation of jurisdiction, but the difference is that the writ of prohibition is issued before the final judgement of the lower courts, whereas the Certiorari is issued after the judgement in a case has announced by lower court.

    Quo-Warranto – This writ of Quo-Warranto is issued against a person occupying a public office which he is not entitled to. The purpose of the writ is to prevent the unlawful occupation of a public office by persons who is not eligible to that office. The court inquires as to under what authority the concerned person is holding a particular office. If the office is held without proper legal authority, the concerned person shall be ordered to leave that office. It should be mentioned that the writ of Quo-Warranto is not issued with respect to private offices.

  • Question: What is the function of hepatic caeca in a grasshopper?

    Posted in: Biology | Date: 10/04/2016

    Answer:

    it secrets enzyme which is useful in digestion.

  • Question: What are the different types of filters?

    Posted in: Electronics | Date: 14/04/2016

    Answer:

    Filters can be classified in many ways based on the  componets using, implementation etc  Implementation means either analog techniques or digital In analog the main classification is active and passive  filters filters made of simple R,L,C elements are refered as  passive filters. when we are using some active components  like opamps, transistor along with passive components it  becomes active filters. the main advantage is that we can  vary the gain and other parameters easly in active filters. Now depending on the application and neccisity we are going  for the diffreant forms such as low pass, high pass etc. now we can see that all these filters are made of some  hardware components, so noise is an important factor which  will affects its accuracy. so noise free design can be accomplished with the help of  digital filters which is based on algorithms. 2 basic forms  of digital filters are FIR and IIR filters. FIR filters can  be designed in many methods , one of such method is  windowing methods. some of IIR filters are butterworth  filter, chebyshev filter(type 1 and 2), cauver filters. basic approach in design of IIR filter is first design  the filter in analog domain and then transform it into  digital domain now the latest trend of filters which are widely using in  navigation, control applications is kalman filters  discoverd by R.E kalman.it is an adaptive type filter. it  not only removes the noise but also helps in esimating the  differant states of a system which are not measuable( for  more info kindly go through state space modelling)

  • Question: What are the kind of cells present in blood?

    Posted in: Biology | Date: 14/04/2016

    Answer:

    Different Types of Blood Cells and Their Roles in the Human Body Blood is a mixture of two things: cells and plasma. The heart pumps blood through the arteries, capillaries and veins to provide oxygen and nutrients to every cell of the body. The blood also carries away waste products. The adult human body contains approximately 5 liters of blood. It makes up 7 to 8 percent of a person's body weight. Approximately 2.75 to 3 liters of blood is plasma and the rest is the cellular portion. Plasma is the liquid portion of the blood. Blood cells like red blood cells float in the plasma. Also dissolved in plasma are electrolytes, nutrients and vitamins (absorbed from the intestines or produced by the body), hormones, clotting factors, and proteins such as albumin and immunoglobulins (antibodies to fight infection). Plasma distributes the substances it contains as it circulates throughout the body.

    The cellular portion of blood contains red blood cells (RBCs), white blood cells (WBCs) and platelets. The RBCs carry oxygen from the lungs. The WBCs help to fight infection, and platelets are parts of cells that the body uses for clotting. All blood cells are produced in the bone marrow. As children, most of our bones produce blood. As we age this gradually diminishes to just the bones of the spine, sternum, ribs, pelvis and small parts of the upper arm and leg. Bone marrow that actively produces blood cells is called red marrow, and bone marrow that no longer produces blood cells is called yellow marrow. The process by which the body produces blood is called hematopoiesis. All blood cells (RBCs, WBCs and platelets) come from the same type of cell, called the pluripotential hematopoietic stem cell. This group of cells has the potential to form any of the different types of blood cells and also to reproduce itself. This cell then forms committed stem cells that will form specific types of blood cells.

    Red blood cells (RBCs), also known as erythrocytes, are by far the most abundant cells in the blood. RBCs give blood its characteristic red color. RBCs account for approximately 40 to 45 percent of the blood. This percentage of blood made up of RBCs is a frequently measured number and is called the hematocrit. The ratio of cells in normal blood is 600 RBCs for each white blood cell and 40 platelets.

    There are several characteristics about RBCs that make them unusual. First, an RBC has a strange shape, which is a biconcave disc that is round and flat, sort of like a shallow bowl. Second, an RBC has no nucleus. Third, an RBC can change shape to an amazing extent, without breaking, as it squeezes single file through the capillaries. Most importantly, the primary function of red blood cells is to transport oxygen from the lungs to the cells of the body. An RBC contains hemoglobin, a molecule specially designed to hold oxygen and carry it to cells that need it. Hemoglobin combines loosely with oxygen in the lungs, where the oxygen level is high, and then easily releases it in the capillaries, where the oxygen level is low. Each molecule of hemoglobin contains four iron atoms, and each iron atom can bind with one molecule of oxygen for a total of four oxygen molecules. The iron in hemoglobin gives blood its red color.

    White blood cells (WBCs), or leukocytes, are a part of the immune system and help our bodies fight infection. They circulate in the blood so that they can be transported to an area where an infection has developed. When the number of WBCs in your blood increases, this is a sign of an infection somewhere in your body. There are five main types of WBCs. They are: Neutrophils, Eosinophils, Basophils, Lymphocytes, and Monocytes. Neutrophils, eosinophils and basophils are also called granulocytes because they have granules in their cells that contain digestive enzymes.

    Each type of white blood cells is given a specific defense task to fight against foreign objects. Neutrophils are the one of the body s main defenses against bacteria. They kill bacteria through the process of phagocytosis. Eosinophils kill parasites and have a role in allergic reactions. Basophils function in allergic reactions. Monocytes enter the tissue, where they become larger and turn into macrophages. There they can phagocytize bacteria throughout the body. These cells also destroy old, damaged and dead cells in the body. Macrophages are found in the liver, spleen, lungs, lymph nodes, skin and intestine. Lymphocytes are complex cells that direct the body s immune system. T lymphocytes (T cells) are responsible for cell-mediated immunity. B lymphocytes are responsible for humoral immunity or antibody production. Lymphocytes are different from the other WBCs because they can recognize and have a memory of invading bacteria and viruses.

    Platelets (thrombocytes) help blood to clot by forming something called a platelet plug. The other way that blood clots is through coagulation factors. Platelets also help to promote other blood clotting mechanisms. Platelets are formed in the bone marrow from very large cells called megakaryocytes, which break up into fragments. These cellular fragments are platelets. They do not have a nucleus and do not reproduce.

  • Question: On which principle lactometer and hydrometer are based?

    Posted in: Physics | Date: 14/04/2016

    Answer:

    The operation of the hydrometer is based on the Archimedes principle that a solid suspended in a fluid will be buoyed up by a force equal to the weight of the fluid displaced. Thus, the lower the density of the substance, the further the hydrometer will sink.

    lactometer works on the principle of Archimede's principle that a solid suspended in a fluid will be buoyed up by a force equal to the weight of the fluid displaced. If the milk sample is pure, then the lactometer floats on it and if it is adulterated or impure, then the lactometer sinks.

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