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Why third or forth option not the answer?

Why third or forth option not the answer?

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1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

Since the value of 'μ' is maximum on the axis of the beam. Hence the speed of light in the medium is minimum on the axis of the beam.

The speed of light is the same, irrespective of its source or its intensity. It depends only on the medium it propagates through.

Regards

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