MEDIUM
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A concave mirror can only form a virtual image as in the case of a plane and a convex mirror. Do you agree with the statement? Justify your answer.

Important Questions on Light

EASY
Distinguish between the inverted image and laterally inverted image.
EASY

If the object is at a distance of 3 cm from the plane mirror, then the distance of the image will be:

EASY
State any three characteristics of image formed by a plane mirror.
MEDIUM
A man of height H stands at a distance D from a mirror fixed on the wall. His eye level is at the same height as the top edge of the mirror. What must be the minimum length L of the mirror so that he can see his entire body in the mirror? You can assume that the eye-level is the same as the top of his head.
EASY
What is the minimum size of mirror required for a 6ft tall person to be able to see a full length image?
EASY
State two characteristics of image formed in a plane mirror.
EASY

How can you identify a plane, concave and convex mirror by observing image formation?

MEDIUM

Vimal combs her hair is front of a plane mirror. Write two characteristics of her image.

MEDIUM
Two plane mirrors M1 and M2 are at right angle to each other shown. A point source P is placed at a and 2a meter away from M1 and M2 respectively. The shortest distance between the images thus formed is : (Take 5=2.3)
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EASY

Image formed by a plane mirror is erect, virtual and _____.

HARD

Three plane mirrors form an equilateral triangle with each side of length L. There is a small hole at a distance l>0 from one of the corners as shown in the figure. A ray of light is passed through the hole at an angle θ and can only come out through the same hole. The cross section of the mirror configuration and the ray of light lie on the same plane.

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Which of the following statement(s) is(are) correct?

EASY
Two plane mirrors are inclined to each other at an angle of 60°. A point object is placed in between them. The total number of images produced by both the mirrors is
EASY

Write any three differences between plane and convex mirror.

EASY
A girl is standing 7 m from a plane mirror. The distance of the girl from her image in the mirror is
HARD

Two plane mirrors are kept on a horizontal table making an angle θ with each other as shown schematically in the figure. The angle θ is such that any ray of light reflected after striking both the mirrors return parallel to its incident path. For this to happen, the value of θ should be

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MEDIUM
A ray of light falls on a plane mirror. when the mirror is turned, about an axis at right angle to the plane of the mirror through 2 0 , the angle between the incident ray and new reflected ray is 4 5 . Find the angle between the incident ray and original reflected ray.
EASY
To get three images of a single object, one should have two plane mirrors at an angle of
MEDIUM
Two plane mirrors are placed at some angle. There are five images formed, when an object is placed symmetrically between them. Find the angle between the mirrors.
MEDIUM

(a) Find out the position of the image of an object situated at A in the plane mirror (shown in figure below).
(b) Can Paheli at B see this image?
(c) Can Boojho at C see this image?
(d) When Paheli moves from B to C, where does the image of A move?
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EASY
If two mirrors are kept at 60° to each other, then the number of images found by them is