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प्रश्न
Explain the following term related to spherical lenses:- optical centre
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उत्तर
Optical centre:-
The central point of the lens is known as optical centre. It is represented as O. The optical centre of a lens has a property that a ray of light passing through it does not suffer any deviation and goes straight.
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संबंधित प्रश्न
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Support your answer with reason.
The image formed in a plane mirror is always inverted.
