11. The angle of incidence in air for a ray of light is 45°. If the ray travels through water With refractive index 1/ √2 , then angle of refraction will be
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Answer:
Explanation: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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