Question

the critical angle of a medium with respect to vacuum is 30 degree . The velocity of light in the medium will be a) 3x 10power 8 m/s b)2 x 10 power 8 m/s c)1.5 x 10 power 8 m/s d) 3.1 x 10 power 8 m/s GIVE REASON

Answer 1

The option C) is correct.

There is the your's Answer as well as explanation.

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