The second law of reflection is valid only for plane mirrors and not for spherical mirrors.

True

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False

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Solution

The correct option is B
False

The second law of reflection states that the incident ray, the reflected ray, and the normal to the surface of the mirror all lie in the same plane.
The second law of reflection is valid for any surface and any mirror. The image formed by a convex mirror is always virtual.

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Similar questions

Q. Assertion :The relation among

u, v

and

f

for the spherical mirror is valid only for mirrors whose sizes are very small compared to their radii of curvature. Reason: The laws of reflection are strictly valid for plane surfaces but not for large spherical surfaces.

Q. Statement 1: Spherical mirrors do not obey the laws of reflection.

Statement 2: All reflecting surfaces obey the laws of reflection.

Statement I : The formula connecting u, v and f for a spherical mirror is valid only for the mirrors whose sizes are very small as compared to their radii of curvature.

Statement II : Laws of reflection are strictly valid for plane surfaces, but not for larger spherical surfaces. [ IIT JEE 2007 ]

Q. Question 13
The laws of reflection hold good for

(a) plane mirror only
(b) concave mirror only
(c) convex mirror only
(d) all mirrors irrespective of their shape

Why should we use only mirrors for plane mirrors for reflection ,why can't we use a glass or a book for plane surface? Even book is a regular surface.

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