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Image Formation by Spherical Mirrors

A mirror is a...

Question

A mirror is a smooth surface which can change the direction of light falling on it such that it returns to the same medium.

A

True

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B

False

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Solution

The correct option is A True

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Similar questions

Q. A smooth polished surface which can return the rays of light into the same medium is called
(a) mirror
(b) lens
(c) prism
(d) table top

Q. When light moving in one medium falls at the surface of another medium, _______ light returns back to the same medium.

A mirror changes the ________ of light that falls on it.

Q. The angle of a prism is

A

. One of its refracting surfaces is silvered. Light rays falling at an angle of incidence

2 A

on the first surface returns back through the same path after suffering reflection at the silvered surface. The refractive index

μ

, of the prism is
[Assume, surrounding medium to be air]

Q. Light incident on a rotating mirror M is returned to a fixed mirror N placed

22.5 k m

away from M. The fixed mirror reflects it back to M (along the same path) which in turn reflects the light again along a direction that makes an angle of

27^{\circ}

with the incident direction. The speed of rotation of the mirror is:

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