Question

a) Find the velocity of light in crown glass?
b) Find the medium with lowest optical density?
c) You are given crown glass and rubyin which of these does light travel fastest?
d) In which of these mediums mentioned in the table does the light travel fastest?

Answer 1

Answer:

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Answer 2

Answer:

a. 2× 10^5m/s is the answer .hope it is right.