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In prism how r1 =r2

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In prism how r1 =r2

Posted by Ankit Choudhary 5 years, 11 months ago

CBSE > Class 12 > Physics

1 answers

Rajat Barwar 5 years, 11 months ago

Hey friend, actually r1 is not equal to r2 in most cases but in one case that is the case of minimum deviation of ray by prism r1 and r2 are equal. It can be explained easily by geometry.... Since at min. deviation angles i=e and hence by snell's law r1=r2. Hope it may help you...

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