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Unit 13: Sound

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1

Reflection of sound follows the law of:

2

The distance between two consecutive compressions is called:

3

Ultrasound has frequency:

4

Auditory nerve carries signals to:

5

Excessive reverberation can be reduced by using:

6

Which part of ear converts sound vibrations into electrical signals?

7

Sound cannot travel through:

8

Which object produces sound when it vibrates?

9

Speed of sound in air at room temperature is approximately:

10

The part of ear that collects sound waves is:

11

Sound waves are:

12

Infrasound has frequency:

13

Which factor does NOT affect the speed of sound in air?

14

The graphical representation of sound is called:

15

The sound produced by regular vibrations is called:

16

Sound is produced due to:

17

The bones of middle ear are called:

18

Sound travels fastest in:

19

The region of high pressure in a sound wave is called:

20

The region of low pressure in a sound wave is called:

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