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

  resonance

  rarefaction

  reflection

  refraction

  Half-n-half Clue
 

2.

The repetition of sound which is reflected from an object is referred to as _______.

  the amplitude

  an echo

  the pitch

  Half-n-half Clue
 

3.

Dolphins use infrasonic vibrations to locate objects and their prey.

  True

  False

 

4.

The upper limit of frequency that can be heard by the average human is about

  20000 Hz

  2000 Hz

  200 Hz

  200000 Hz

  Half-n-half Clue
 

5.

The apparatus used in a ship to find out the depth of the sea underneath is called _______.

  sonar

  bell jar

  tuning fork

  Half-n-half Clue
 

6.

The number of sound vibrations per second is called _______.

  time period

  amplitude

  frequency

  Half-n-half Clue
 

7.

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

  hammer

  cochlea

  eardrum

  Half-n-half Clue
 


 
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