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CBSE Class 12-science Answered

a prism( mu=1.5) has the refracting angle of 30ring operatorthe deviation of a monochromatic ray incident normally on its one surface will be (sin 48ring operator36apostrophe=0.75)
Asked by Nidhi | 22 Dec, 2014, 02:19: PM
answered-by-expert Expert Answer
Given that:
Refracting angle r  = 30°
Refractive index, n =1.5
We know that:
begin mathsize 14px style straight n space equals fraction numerator sin space straight i over denominator sin space straight r end fraction 1.5 space equals fraction numerator sin space straight i over denominator sin space 30 degree end fraction sin space straight i space equals space 0.75 rightwards double arrow straight i space equals 48 degree space 36 apostrophe  The space angle space of space deviation space of space the space ray space incident space normally space on space its space one space surface comma straight delta space equals space straight i space minus space straight r straight delta space equals space 48 degree space 36 apostrophe minus 30 degree straight delta space equals 18 degree space 36 space apostrophe end style
Answered by Jyothi Nair | 23 Dec, 2014, 08:57: AM
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