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Waves and Sound — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsWaves and Sound1 Mark
Question
Assertion : like sound, light can not propagate in vacuum.
Reason : Sound is a square wave. It propagates in a medium by a virtue of damping oscillation
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Answer

(d)

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