Across
- 3. The to add fro motion of a simple pendulum
- 5. Maximum displacement of a simple pendulum from its mean position
- 10. Can hear infrasound
- 11. Unpleasant sound
- 12. Time period is the _ taken for one oscillation
- 14. vocal chords are longest in _
- 15. Sound with frequency above 20,000 Hz
- 16. _ is determined by the amplitude
- 18. _ is determined by frequency
Down
- 1. Sound cannot travel in_
- 2. Can hear ultrasound
- 4. Sound with frequency below 20 Hz
- 6. Amplitude and frequency are the two _ of sound
- 7. Reflection of sound
- 8. Pleasant sound
- 9. Sound is produced by _ objects
- 10. Unit of Loudness
- 13. Number of oscillations per second
- 17. Sound travels fastest in the _
- 19. Unit of frequency
