Light

Name :

Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size, whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively

• plane mirror and concave mirror.

• concave mirror and convex mirror.

• plane mirror and convex mirror.

• convex mirror and plane mirror.

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

• 2 m

• 1 m

• 0.5 m

• 0.25 m

A rainbow can be seen in the sky -

• When the sun is in front of you.

• When the sun is behind you.

• when the sun is overhead.

• only at the time of sunrise.

You are provided with a convex mirror, a concave mirror, a convex lens and a concave lens. You can get an inverted image from

• both the concave lens and convex lens.

• both concave mirror and convex mirror.

• both concave mirror and convex lens.

• both convex mirror and concave lens.

An image formed by a lens is erect. Such an image could be formed by a

• convex lens provided the image is smaller than the object.

• concave lens provided the image is smaller than the object.

• concave lens provided the image is larger than the object.

• concave lens provided the image is of the same size.

The outer shining surface of a round bottom steel bowl acts as a __________ mirror.

A concave lens can be used to produce an enlarged and erect image.

• True

• False

Which of the following can be used to form a real image?

• Concave mirror only

• Plane mirror only

• Convex mirror only

• Both concave and convex mirrors

Change in path of the light after striking a mirror is called

• Reflection of light

• Rectilinear propagation of light

• Dispersion of light

• Lateral inversion