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Question
A light ray passes through the poles of all the four lenses given in the options individually. The maximum deviation of the light ray from its original path will be while passing through which of the lens?
A light ray passes through the poles of all the four lenses given in the options individually. The maximum deviation of the light ray from its original path will be while passing through which of the lens?
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Solution
The correct option is D
Thinner the lens, i.e., (the central part of the lens) more is the deviation, as shown in the figure.
As the centre of the lens is similar to a glass slab, the lens is made thin so that the light ray goes undeviated if it falls on the pole. So in the thicker lens, the deviation will be less.
Thinner the lens, i.e., (the central part of the lens) more is the deviation, as shown in the figure.
As the centre of the lens is similar to a glass slab, the lens is made thin so that the light ray goes undeviated if it falls on the pole. So in the thicker lens, the deviation will be less.
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