CH 15 LIGHT NCERT

The path of the light is

• curved

• a zig-zag line

• always a straight line

• depends on the medium

Which one shows lateral inversion?

• Convex mirror

• Plane mirror

• Concave mirror

• All of these

Image formed by a plane mirror is

• real and inverted

• real and erect

• virtual and inverted

• virtual and erect

If an object is placed at a distance of 0.5 m in front of a plane mirror, the distance between the object and the image formed by the mirror will be

• 0.25 m

• 1 m

• 0.5 m

• 2 m

You are provided with a concave mirror, a convex mirror, a concave lens and a convex lens. To obtain an enlarged image of an object you can use either

• concave mirror or convex mirror

• concave mirror or concave lens

• concave mirror or convex lens

• concave lens or convex lens

An erect and enlarged image can be formed by

• only a convex mirror

• only a plane mirror

• both convex and concave mirror

• only a concave mirror

Changing of right side to left is called ………………

The inner surface of a steel spoon acts as a ………………….. mirror.

Spherical mirrors do not obey laws of reflection.

• True

• False

In the formation of a rainbow, what acts as tiny prisms?

• Droplets of rain

• clouds

• sky