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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
A musician recognizes the musical instrument by hearing the sound produced by it, even without seeing the instrument. Which characteristic of sound makes this possible ?
Describe an experiment to show the production of sound having low and high pitch.
What type of wave is represented :
(a) by density-distance graph?
(b) by displacement-distance graph?
What is the nature of sound waves in air?
In which medium the speed of sound is more: humid air or dry air? Give a reason to your answer.
State three conditions necessary for hearing sound.
State the effect of pressure on the speed of sound in air.
Distinguish between light and sound waves. What are the consequences of the large difference in the speed of sound and that of light? Briefly explain them.
Explain how the principle of echo is used by
The dolphin to locate small fish as its prey.
Which of the following statements are correct?
- Sound is produced by vibrations.
- Sound requires a medium for propagation.
- Light and sound both require a medium for propagation.
- Sound travels slower than light.
