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संबंधित प्रश्न
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
Write true or false for a given statement.
Waveforms of two different stringed instruments can be the same.
| 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 |
What are infrasonics? Can you hear them?
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.
Select the correct option:
A part of longitudinal wave in which particles of the medium are farther away than the normal particles is called :
The distance between one crest and one trough of a sea wave is 4.5 m. If the waves are produced at the rate of 240/min, calculate the time period.
Can you hear each other in a dark room?
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
A list of mediums is given below.
- wood
- water
- air
- vacuum
In which of these mediums can sound travel?
