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Meghana Rajan
Asked: 2022-11-10T12:13:35+05:30 In:

Which effect provides direct experimental evidence that light is a transverse, rather than a logitudinal wave motion?
A. (a) Light can be diffracted
B. (b) Two coherent light waves can be made to interfere.
C. (c) The intensity of light from a point source falls off inversely as the square of the distance from the source.
D. (d) Light can be polarised.

Which effect provides direct experimental evidence that light is a transverse, rather than a logitudinal wave motion?
A. (a) Light can be diffracted
B. (b) Two coherent light waves can be made to interfere.
C. (c) The intensity of light from a point source falls off inversely as the square of the distance from the source.
D. (d) Light can be polarised.
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  1. Correct Answer – D
    Sound, a logitudinal wave, can be diffracted, can be made to interfere, whose intensity falls off inversely as the square of distance from the source, but can not be polarised.
    Light a transverse wave, can be diffracted, can be made to interfere, whose intensity falls of inversely as the square of distance from the source, can also be polarised.

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