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Propagation of Light

The shape of ...

Question

The shape of the shadow formed is same as that of the object implies that light travels in a _____ path.

A

curved

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B

straight

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C

spiral

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D

zigzag

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Solution

The correct option is B straight
Since we see the shape of the shadow formed to be same as that of the object, it seems that light travels in a straight line. It is also known as the rectilinear propagation of light.

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