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Standard X
Physics
Question
The refracting angle of a prism is A, and refractive index of the material of the prism is cot (A/2). The angle of minimum deviation is :
90
o
−
A
180
o
+
2
A
180
o
−
2
A
180
o
−
3
A
A
180
o
−
3
A
B
90
o
−
A
C
180
o
+
2
A
D
180
o
−
2
A
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Solution
Verified by Toppr
μ
=
sin
(
A
+
δ
m
2
)
sin
A
2
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