5
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 will be observe in which of the lenses?
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 will be observe in which of the lenses?
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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 fidure.
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.
Thinner the lens, i.e. (the central part of the lens) more is the deviation, as shown in the fidure.
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.
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