Last Updated On [03-11-2023]
A ray of light travelling in glass 
is incident on a horizontal glass air surface at the critical angle 
If thin layer of water 
is now poured on the glass air surface, the angle at which the ray emerges into air the water-air surface is
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b) |
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c) |
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d) |
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Question ID - 152375 :- A ray of light travelling in glass is incident on a horizontal glass air surface at the critical angle If thin layer of water is now poured on the glass air surface, the angle at which the ray emerges into air the water-air surface is
a)
b)
c)
d)
A ray of light travelling in glass is incident on a horizontal glass air surface at the critical angle If thin layer of water is now poured on the glass air surface, the angle at which the ray emerges into air the water-air surface is
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a) |
|
b) |
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c) |
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d) |
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Next Question :
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A convex lens is placed between object and a screen. The size of object is 3 cm and an image of height 9 cm is obtained on the screen. When the lens is displaced to a new position, what will be the size of image on the screen? |
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a) |
2 cm |
b) |
6 cm |
c) |
4 cm |
d) |
1 cm |
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