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Light Spectrum

Light appears...

Question

Light appears to travel in a straight line, because.

A

Its wavelength is very small

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B

Its velocity is large

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C

It is not absorbed by surroundings

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D

It is reflected by surroundings

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Solution

The correct option is B Its wavelength is very small
Light appears to travel in a straight line because diffraction (or deviation from the path) is least in light. Diffraction is least because -of small wavelength of light. So small wave length of light causes the light to travel almost in straight line.

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