Question

what is the power of plane mirror?​

Answer 1

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Plane mirrors are the only type of mirror for which a real object always produces an image that is virtual, erect and of the same size as the object. Virtual objects produce real images, however. The focal length of a plane mirror is infinity; its optical power is zero.

Answer 2

Explanation:

Optical power is the degree to which a lens, mirror, or other optical system converges or diverges light. It is equal to the reciprocal of the focal length of the device. Power (P) = 1/f, where f is focal length Now, Focal length of the plane mirror = ∞ Therefore, Power of plane mirror= 1/∞ =0

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