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RELATED QUESTIONS
| Column A | Column B |
| (a) Vibrations cause | (1) absorb sound |
| (b) A shriller sound is | (2) second |
| (c) Unit of frequency | (3) sound |
| (d) Unit of time period | (4) of high pitch |
| (e) Curtains | (5) hertz |
The heart of a man beats 75 times a minute. What is its (a) frequency and (b) time period?
An observer sitting in line of two tanks watches the flashes of two tanks firing at each other at the same time, but he hears the sounds of two shots 2s and 3.5s after seeing the flashes. If distance between the two tanks is 510m, find the speed of sound.
What do you mean by the audible range of frequency?
How does the speed of sound depend on (i) Amplitude, and (ii) Wavelength?
A person fires a gun and other boy at a distance hears the sound of the fire 2.5 s after seeing the flash. If the speed of sound in air is 330 ms-1, find the distance between the boys.
What cause sound? Why do we require a material medium for the transmission of sound?
Why is the ceiling and wall behind the stage of good conference halls or concert halls made curved?
