Which waves don't need a medium for prop...

Which waves don't need a medium for propagation?

Sound waves

Light waves

Earthquake waves

Waves on water surface

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Light waves

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KUMAR PRAKASHAN-SOUND-QUESTIONS AND ANSWERS (Choose the correct option from those given below cach question:)

What is the type of sound wave propagating
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Which waves don't need a medium for propagation?
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Or which type are earthquake waves before the main shock begins?
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What is the full form of SONAR?
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What is the range of wavelength in air of audible sound waves ? (When ...
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Sound of which frequency from the following is ultrasonic sound?
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When is echo heard?
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Which of the following relations is true for sound waves?
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Which of the following formula is true showing the relation between wa...
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What is the phase difference between consecutive crest and through ?
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The distance between two consecutive conden sations in the sound wave ...
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In the air, the velocity of sound wave is 340 ms^(-1) and wavelength i...
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Waves of light are ........
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On which of the following factors does the velocity of wave not depend...
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The wavelength of the wave produced on the surface of water is 2 cm. I...
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Two waves produced from a source are shown in the following figure. St...
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Wave of which of the following frequenciescould we hear?
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What is the frequency range of audible sound wave?
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Which type of sound waves does the bat produce?
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Who can experience ultrasonic sound?
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