Physics
We can distinguish a shrill sound from a flat sound by its:
- amplitude
- loudness
- pitch
- none of the above
Related Questions
Fill in the blanks:
(a) Sound is produced when a body …………… .
(b) The number of times a body vibrates in one second is called its …………… .
(c) The pitch of a sound depends on its …………… .
(d) Sound can travel in …………… .
(e) We can hear sounds of frequency in the range of …………… .
(f) Sound requires a …………… for propagation.
(g) Sound travels faster in …………… than in liquids.
(h) The sound heard after reflection is …………… .
(i) …………… produces sensation in ears.
Match the following:
Column A Column B (a) Vibrations cause (i) absorb sound (b) A shriller sound is (ii) second (c) Unit of frequency (iii) sound (d) Unit of time period (iv) of high pitch (e) Curtains (v) hertz We can hear sound of frequency:
- 10 Hz
- 500 Hz
- 100,000 Hz
- 50,000 Hz
Sound cannot travel in:
- gases
- liquids
- solids
- vacuum