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प्रश्न
What is the effect of temperature and pressure on the speed of sound in a gas?
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उत्तर
With an increase in temperature of the gas, there is increase in the speed of gas because an increase in temperature decreases the density of a gas. And the speed of sound is inversely proportional to the density of the gas. The speed of the gas is independent of the pressure of the gas.
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संबंधित प्रश्न
Fill in the blank.
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What do you mean by a vibratory motion?
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| 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 |
| (d) Ultrasonic sound | (4) Measured in Hz |
| (e) Infrasonic sound | (5) Decibel |
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