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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.

  5000

  1600

  330

  3 × 108

  Half-n-half Clue
 

2.

The process by which sound vibrations are produced in pipes is known as _______.

  reflection

  resonance

  rarefaction

  refraction

  Half-n-half Clue
 

3.

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

  Steel

  Air

  Water

  Half-n-half Clue
 

4.

An airtight bell-jar is inverted on a platform connected to a vacuum pump. An electric bell fitted into the jar is operated but its sound cannot be heard. This is because sound cannot travel through _______.

  vacuum

  air

  glass

  Half-n-half Clue
 

5.

When sounds reach the _______ or tympanic membrane, they make it vibrate.

  cochlea

  hammer

  eardrum

  Half-n-half Clue
 

6.

The three little bones in the middle ear are the _______, the anvil and the stirrup.

  eardrum

  hammer

  cochlea

  Half-n-half Clue
 

7.

Echoes are caused by _______ of sound.

  rarefaction

  refraction

  reflection

  Half-n-half Clue
 


 
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