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Linear Magnification

In lens, all ...

Question

In lens, all distances are measured from

A

focus

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B

pole

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C

optical centre

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D

radius of curvature

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Solution

The correct option is C
optical centre

The centre point of the lens through which a ray of light passes without any deflection is known as the optical centre of the lens.
In a lens, all the distances are measured from this optical centre.
Hence, option (c) is correct.

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