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CGPET 2018 Solved Paper
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Section:
Physics
Share question:
© examsnet.com
Question : 36
Total: 150
If the refracting angle of a prism is
60
°
and minimum deviation is
30
°
, then the angle of incidence will be
30
°
45
°
60
°
90
°
Validate
Solution:
Given, }
A
=
60
°
,
δ
m
=
30
°
∴ Incident angle of prism,
i
=
δ
m
+
A
2
⇒
i
=
30
°
+
60
°
2
=
45
°
© examsnet.com
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