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प्रश्न
Give a scientific reason.
If you were both on the moon, your friend will not be able to hear you call.
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उत्तर
We know that sound cannot travel through a vacuum. Since there is no atmosphere on the moon, we cannot hear sound on the moon.
संबंधित प्रश्न
Distinguish between loudness and intensity of sound.
Why is sound wave called a longitudinal wave?
Define the term intensity of a sound wave. State the unit in which it is measured.
Name the type of waves produced when a tuning fork is struck in air.
Which one of the following does not consist of transverse waves?
How does the frequency of sound given by a stretched string depend on its
- length,
- tension?
The speed of sound in air at 0°C is nearly :
What causes sound in air?
A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through ______.
Write any two uses of ultrasonic sound.
