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प्रश्न
Sound can travel through solids, gases, liquids, and even vacuum.
विकल्प
True
False
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उत्तर
Sound can travel through solids, gases, liquids, and even vacuum - false.
Reason:
Sound can not travel in a vacuum. This is because sound waves are vibrating waves. In a vacuum, where there are no atoms or molecules to vibrate.
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संबंधित प्रश्न
Why are the waves mentioned by you not audible to us?
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.
In fig. 2 two musical notes of the same pitch and same loudness are played on a violin and on a piano. Their wave forms are as shown in the diagram below. Explain why the wave patterns are different.
How does the frequency of sound given by a stretched string depend on its
- length,
- tension?
Draw a displacement-distance graph of a wave and mark on it, the amplitude of wave by the letter 'a' and wavelength of wave by the letter λ.
In which medium the speed of sound is more: humid air or dry air? Give a reason to your answer.
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.
Give an example to show that light travels faster than sound?
How does the sound produced by a vibrating object in a medium reach your ears?
Why is a sound wave called a longitudinal wave?
