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The rectilinear propagation of light in a medium is due to

a)

Its short wavelength

b)

Its high frequency

c)

Its high velocity

d)

The refractive index of medium



Question ID - 150210 | SaraNextGen Top Answer

The rectilinear propagation of light in a medium is due to

a)

Its short wavelength

b)

Its high frequency

c)

Its high velocity

d)

The refractive index of medium

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

Newton considered light as made up of particle called corpuscles.  The corpuscles of light were assumed to be almost point like particles without any mass.  They travel with a tremendously high speed, so they experience a negligible force of gravity.  As a result, the corpuscles travel in a straight line.

127 votes


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