Question

Light travels with a velocity 3 x 〖10〗^(8 )m/s in a medium. On entering second medium its velocity becomes 2 x 〖10〗^(8 )m/s. What is the refractive index of second medium with respect to the first ? *

1.5
2/3
3
2​

Answer 1

Answer:

Ok

Explanation:

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Answer 2

kk.

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