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प्रश्न
Answer the following question :
Can sound travel in vacuum?
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उत्तर
No, sound cannot travel in vacuum as it requires a material medium for its propagation.
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संबंधित प्रश्न
Write true or false for a given statement.
A sound is a form of energy.
Fill in the blank.
The pitch of a sound depends on its ________.
How can the pitch of sound produced in a piano be changed ?
How does the velocity of a wave vary with temperature?
What is a transverse wave? In which medium: solid, liquid or gas, can it be produced?
Arrange the speed of sound in gases Vg, solids Vs and liquids VLin an ascending order.
Arrange the speeds of sound in gases, solids, and liquids in ascending order.
Consider the statement given below and choose the correct option.
Assertion: When lightning strikes, the sound is heard a little after the flash is seen.
Reason: The velocity of light is greater than that of the sound.
Match the following
| 1. | Infrasonic | (a) | Compressions |
| 2. | Echo | (b) | 22 kHz |
| 3. | Ultrasonic | (c) | 10 Hz |
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