Light

The black part of eye that allows light inside eye is?

• Cornea

• Iris

• Pupil

• Retina

The ray coming from a source is called?

• Reflected ray

• Incident ray

• Normal ray

• Principal ray

If light is bouncing back from a surface, those rays are called?

• Incident ray

• Reflected ray

• Normal ray

• Principal ray

When you enter a dark room, your pupil will?

• Decrease in size

• Increase in size

• No change

• Turns white

They have different eye colors due to?

• Retina

• Iris

• Cornea

• Pupil

Our eye is a _______________ lens?

• Convex

• Concave

• Plane

Retina consists of

• Rods only

• Cones only

• Iris and Pupil

• Rods and Cones

The phenomena of bending light is?

• Reflection

• Refraction

• Radiation

We can't see our face clearly in moving water due to?

• Reflection

• Refraction

• Radation

• Sight error

When light enters from low density to high density medium, it bends

• towards the normal line

• away from the normal line

• moves straight