Physics, asked by yamnarameez, 11 months ago

the answer is b. please explain why

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Answered by lakshayjain1701lj

Answer:

IN CASE 1 AND 2 LIGHT RAYS ARE MOVING AWAY FROM NORMAL... WHILE IN CASE 3 THE LIGHT RAY IS COMING TOWARDS NORMAL.. AND 1 AND 2 CASE CAN BE DEFINED AS CONVERGING AND 3 CASE BE DEFINED AS DIVERGING

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