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School Physics Quiz : Sound


Answer the following questions based on sound.

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Multiple choice

Your Performance  

1.

The approximate speed of sound in air is _______ m/s.

  330

  1600

  3 × 108

  5000

  Half-n-half Clue
 

2.

Sounds are produced by musical wind-instruments when columns of air are made to vibrate.

  True

  False

 

3.

Out of the following materials, the best conductor of sound is _______.

  Steel

  Water

  Air

  Half-n-half Clue
 

4.

Ultrasonic vibrations are used in medicine for imaging internal organs of the human body.

  True

  False

 

5.

The number of sound vibrations per second is called _______.

  frequency

  amplitude

  time period

  Half-n-half Clue
 

6.

The part of the inner ear shaped like a snail is called the _______.

  hammer

  cochlea

  eardrum

  Half-n-half Clue
 

7.

A _______ note is the lowest note obtained on blowing gently across the top of a test-tube.

  overtone

  fundamental

  harmonic

  Half-n-half Clue
 


 
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