Q6 of 42 Page 295

If an object is placed symmetrically between two plane mirrors, inclined at an angle of 72°, then total number of images formed is:

The number of images formed if two plane mirrors are kept at an angle θ is given by,
and it is given by
For θ = 72°, number of images is as is an odd number.

More from this chapter

All 42 →
4

The image formed by a convex mirror is only one-third of the size of the object. If the focal length of the mirror is 12 cm, the image formed will be

 5

A beam of light incident on a plane mirror forms a real image on reflection. The incident beam is:

 7

A plane mirror produces a magnification of:

 8

A dice is place with one of its edges parallel to the principal axis between the principal focus and the centre of curvature of concave mirror. Then the final image has the shape of: