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Question: Answered & Verified by Expert
In refraction, light waves are bent on passing from one medium to second medium because, in the second medium
PhysicsRay OpticsKCETKCET 2021
Options:
  • A frequency is different
  • B speed is different
  • C coefficient of elasticity is different
  • D amplitude is smaller
Solution:
1701 Upvotes Verified Answer
The correct answer is: speed is different
The bending of light in passing from one medium to another is due to refractive index of second medium with respect to first.
The refractive index is related to the speed of light in two media as
${ }_{1} \mu_{2}=\frac{\text { Speed of light in first medium }}{\text { Speed of light in second medium }}$
Thus, on passing from one medium to second medium, the speed of light different.

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