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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
Fill in the blank.
We can hear sounds of frequency in the range of _______
State the general name of the waves in which the particles of the medium vibrate :
(i) in the same direction as wave.
(ii) at right angles to the direction of wave.
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 ?
Draw displacement-time graph of a wave and show on it the amplitude and time period of wave.
Select the correct option:
In case of longitudinal waves, the particles of the medium vibrate:
The smoke from the gun barrel is seen 2 second before the explosion is heard. If the speed of sound in air is 350 ms-1, calculate the distance of observer from the gun.
A sound wave travels 2000 m in 8 s. What is the velocity of the sound?
Waves created by Earth Quake are Infrasonic.
Suppose that a sound wave and a light wave have the same frequency, then which one has a longer wavelength?
Why is a sound wave called a longitudinal wave?
