Light

The phenomenon of bouncing back

of light into the same medium on

striking the surface of any object is

called

A __________ is formed when an opaque object blocks the path of light.

• Erect image

• Virtual image

• refraction of light

• Shadow

If an object placed at a distance of 4m in front of a plane mirror, the distance between the object and the image formed by the mirror will be _________.

• 6m

• 4m

• 8m

• 5m

Light travels in a __________.

• Curved line

• Straight line

• Linear line

• None of these

Which mirror is used as a rear-view in case of vehicles

• Plane

• Concave

• Convex

• None of these

Which of the following would you prefer to use while reading small letters?

• Concave lens

• Convex lens

• Concave mirror

• Convex mirror

Image formed by a plane mirror is ______.

• Small in size

• Laterally inverted

• Bigger in size

• Real image

Which of these is our main (most important) source of light?

• Lightbulbs

• Fire

• Headlights

• Sun

What is Luminous Object ? (Write in very short answer)

Where is Real image formed?

• Real image is formed by a concave mirror when the object is kept away from the mirror.

• Real image is formed by a convex mirror when the object is kept away from the mirror.

• Real image is formed by a concave mirror when the object is kept near the mirror.