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प्रश्न
Two astronauts are floating close to each other in space. Can they talk to each other without using any special device? Give reasons.
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उत्तर
No, they cannot talk to each other without using any special device because there is no medium in space and sound needs medium to travel.
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संबंधित प्रश्न
If the amplitude and frequency of a sound wave are increased, which of the following is true?
To increase loudness of sound by four times, how much should the amplitude of vibration be changed?
The loudness of sound depends on
The loudness of sound depends on the ______ of the sound wave.
Assertion: As the amplitude of sound increases, the loudness of sound decreases.
Reason: The loudness of sound depends on the amplitude of the wave.
Name the distinguishing factors of sound.
Define:
Intensity
Define:
Timbre
Which characteristic of sound is affected due to the larger surface of a school bell?
