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प्रश्न
A continuous progressive transverse wave of frequency 8 Hz moves across the surface of a ripple tank
With reference to the frequency, describe the movement of water on the surface
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उत्तर
Frequency = f = 8Hz
⇒ 8 continuous progressive transverse wave move over the surface of water in one second.
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संबंधित प्रश्न
Fill in the blank.
We can hear sounds of frequency in the range of _______
Define time period.
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Name the two characteristics of sound which differentiate two sounds from each other.
Match the pairs.
| Group ‘A’ | Group ‘B’ |
| (a) Flute | (1) Frequency less than 20 Hz |
| (b) Frequency | (2) Frequency more than 20000 Hz |
| (c) Sound level | (3) Vibrations in the air |
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| (e) Infrasonic sound | (5) Decibel |
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| Speed of sound in air | Needs material medium |
| Infrasonics | 330ms-1 |
| Sound propagation | Frequency more than 20000 Hz |
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