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A small coin is resting on the bottom of...

A small coin is resting on the bottom of a beaker filled with a liquid. A ray of light from the coin travels upto the surface of the liquid and moves along its surface How fast is the light travelling the liquid ?

A

`1.2 xx 10^(8) m//s`

B

` 1.8 xx 10^(8) m//s`

C

` 2.4 xx 10^(8) m//s`

D

` 3.0 xx 10^(8) m//s`

Text Solution

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The correct Answer is:
B
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