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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
Write true or false for a given statement.
Sound can only be produced by vibrating bodies.
Give two examples each of longitudinal waves and transverse waves.
What change do you expect in the characteristics of a musical sound if
(i) Its frequency is increased,
(ii) Its amplitude is increased?
Can we produce sound in vacuum?
The time interval between a lighting flash and the first sound of thunder was found to be 6 s. If the speed of sound in air is 330 ms-1, find the distance of the flash from the observer.
What cause sound? Why do we require a material medium for the transmission of sound?
The amplitude of the sound wave decides its
What is a longitudinal wave?
Why is the ceiling and wall behind the stage of good conference halls or concert halls made curved?
What do you understand by the term echo?
