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प्रश्न
| 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 |
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उत्तर
| Column A | Column B |
| (a) Vibrations cause | (3) sound |
| (b) A shriller sound is | (4) of high pitch |
| (c) Unit of frequency | (5) hertz |
| (d) Unit of time period | (2) second |
| (e) Curtains | (1) absorb sound |
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संबंधित प्रश्न
How do we produce sound ?
What are infrasonics? Can you hear them?
How does a man’s voice differ from a woman’s voice ?
What type of waves are illustrated by the movement of a rope whose one end is fixed to a pole and the other end is moved up and down?
The flash of a gun is seen by a man 3 seconds before the sound is heard. Calculate the distance of the gun from the man (Speed of sound in air is 332 m/s).
Which of the following frequency of sound can be generated by a vibrating simple pendulum as well as by the vibrating vocal cords of a rhinoceros ?
Define the term amplitude of a wave. Write its S.I. unit.
What type of sound is produced by elephants and whales?
When a sound wave travels through air, the air particles ______.
The elastic property of medium is a factor of ______ medium.
