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Byju's Answer
Standard VII
Physics
Reflection
A ray of ligh...
Question
A ray of light strikes a glass plate at an angle
60
if the reflected and refracted rays are perpendicular to each other, the index of refraction of glass is
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Solution
Given from figure angle of incidence
i
=
60
0
angle of refraction
r
=
30
0
We know
μ
=
sin
i
sin
r
μ
=
sin
60
sin
30
=
√
3
2
×
2
=
√
3
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A ray of light strikes a glass plate at an angle of
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