1. Which of the following causes hearing loss?
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Unit 13: Sound
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Question 1 of 20
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2. Minimum distance for hearing echo in air is about:
3. The distance between two consecutive compressions is called:
4. The unit of loudness is:
5. Acoustics deals with:
6. Which object produces sound when it vibrates?
7. The graphical representation of sound is called:
8. The region of low pressure in a sound wave is called:
9. The part of ear that collects sound waves is:
10. Excessive reverberation can be reduced by using:
11. The region of high pressure in a sound wave is called:
12. The sound produced by regular vibrations is called:
13. Frequency of audible sound for humans ranges from:
14. Refraction of sound occurs due to change in:
15. Reflection of sound follows the law of:
16. Sound waves are:
17. Sound energy is a form of:
18. Eardrum is also known as:
19. Which part of ear converts sound vibrations into electrical signals?
20. Which of the following is NOT a characteristic of sound?