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JEE Main Physics Class 12 Ray Optics and Optical Instruments Part 2 Questions
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© examsnet.com
Question : 61
Total: 112
In the given figure, the face
A
C
of the equilateral prism is immersed in a liquid of refractive index '
n
'. For incident angle
60
∘
at the side
A
C
, the refracteel light beam just grazes along face
A
C
. The refractive index of the liquid
n
=
√
x
4
. The value of
x
is ________.
(Given refractive index of glass
=
1.5
)
[26-Jul-2022-Shift-2]
Your Answer:
Validate
Solution:
Using snell's law at face AC
1.5
sin
60
∘
=
n
×
sin
90
∘
1.5
×
√
3
2
=
n
=
√
x
4
3
√
3
=
√
x
x
=
27
© examsnet.com
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