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SOUND

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Published in: Physics
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DESCRIBE THE IMPORTANT DEFINATION

Virendra / Faridabad

14 years of teaching experience

Qualification: B.Sc. & B.Ed.

Teaches: Mathematics, Physics, Chemistry

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  1. PHYSICS CLASS SOUND
  2. A WAVE IS A VIBRATORY DISTURBANCE IN A MEDIUM WHICHY CARRIES ENERGY FROM ONE POINT TO ANOTHER WITHOUT THERE BEING A DIRECT CONTACT BETWEEN THE TWO POINTS.
  3. N/A
  4. AMPLITUDE THE MAXIMUM DISTANCE MOVED BY A VIBRATING AIR LAYER ON EITHER SIDE OF ITS ORIGINAL POSITION IS KNOWN AS THE AMPLITUDE OF THE SOUND WAVE.
  5. FREQUENCY THE NUMBER OF COMPLETE BACK AND FORTH VIBRATIONS OF AN AIR LAYER IN ONE SECOND IS KNOWN AS THE FREQUENCY OF THE SOUND WAVE.
  6. SONIC BOOM THE TERM SUPERSONIC REFERS TO THE SPEED OF AN OBJECT WHICH IS GREATER THAN THE SPEED OF SOUND.
  7. ECHO OF SOUND CAUSED BY THE REFLECTION OF SOUND WAVES IS CALLED AN ECHO.
  8. ECHO EXAMPLE THE MINIMUM DISTANCE FROM A SOUND REFLECTING TO HEAR AN ECHO IS 7.2 METERS (AT 200 C.)
  9. STETHOSCOPE STETHOSCOPE IS A MEDICAL INSTRUMENT USED BY THE DOCTORS FOR LISTENING TO THE SOUNDS PRODUCED WITHIN THE HUMAN BODY, MAINLY IN THE HEART AND THE LUNGS.
  10. REFLECTION OF SOUND . THE INCIDENT SOUND WAVE, THE REFLECTED SOUND WAVE, AND THE NORMAL AT THE POINT OF INCIDENCE, ALL LIE IN THE SAME PLANE. 2.THE ANGLE OF REFLECTION OF SOUND IS ALWAYS EQUAL TO THE ANGLE OF INCIDENCE OF SOUND.
  11. ULTRASOUND THE SOUNDS HAVING TOO HIGH FREQUENCY WHICH CANNOT BE HEARD BY HUMA BEINGS ARE CALLED ULTRASONIC SOUND OR ULTRASOUND.
  12. SONAR SONAR IS AN APPARATUS WHICH IS USED TO FIND THE DEPTH OF A SEA OR TO LOCATE THE UNDERWATER THINGS LIKE SHOALS OF FISH, SHIPWRECKS AND ENEMY SUBMARINES.
  13. D RA PAN D FOR MATHS/SCIENCE TEACHER

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