Observation : The path of the ray for angle of incidence of 30/45/60" is PORS.
Observation table
Angle of incidence (1) Angle of refraction (r) Angle of deviation (6) Angle of emergence le
30
60°
ferences:
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0
Answer:
Correct option is
B
30
o
;
2
Angle of incidence, i=45
0
Angle of prism, A=60
0
Angle of minimum deviation, δ
m
=2i−A=30
0
⇒μ=
sin
2
A
sin(
2
A+δ
m
)
=
sin 30
0
sin 45
0
=
2
2
=
2
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