1. Which animal can hear ultrasound?
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Unit 12: Waves + Unit 13: Sound
Correct answer is shown on each question. Use Next to read one by one.
2. The distance between two consecutive compressions is called:
3. Sound travels fastest in:
4. The number of waves passing a point per second is called:
5. Which of the following waves has both transverse and longitudinal properties?
6. The region of high pressure in a sound wave is called:
7. Sound is produced due to:
8. Excessive reverberation can be reduced by using:
9. Which instrument is used to measure sound level?
10. Wave propagation refers to:
11. The speed of a wave depends on:
12. Interference occurs when:
13. Nodes in a standing wave are points of:
14. Which factor does NOT affect the speed of sound in air?
15. Quality or timbre of sound helps us to distinguish sounds from:
16. The unit of wave speed is:
17. Sound energy is a form of:
18. Wave motion is the transfer of:
19. Which part of ear converts sound vibrations into electrical signals?
20. Mechanical waves require: