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Question
Physics
Critical angle will be maximum, when light travels from
Q. Critical angle will be maximum, when light travels from
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225
COMEDK
COMEDK 2009
Ray Optics and Optical Instruments
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A
Glass to air
15%
B
Glass to water
49%
C
Water to air
16%
D
Diamond to air
20%
Solution:
As
sin
θ
c
=
μ
1
=
μ
1
μ
2
(
μ
1
>
μ
2
)
μ
D
iam
o
n
d
>
μ
g
l
a
ss
>
μ
w
a
t
er
>
μ
ai
r
μ
g
l
a
ss
μ
w
a
t
er
will be maximum in the given options .
So, critical angle will maximum when light travels from glass to water.