Refraction of light

What happens to the speed of light when it passes from air into water?

• Increases

• Decreases

• Remains the same

• None of the above

The bending of light when it passes from one medium to another is known as

• Reflection

• Refraction

• Diffraction

• Scattering

Which law is known as smell's law?

• 1. ^st law of refraction

• 1^st law of reflection

• 2^nd law of reflection

• 2^nd law of refraction

When light enters from air into glass, it

• Bends away from the normal

• Bends towards the normal

• Doesn't bend at all

• Doesn't moves parallel to the surface

The unit of refractive index is

• Meter per second

• No unit

• Hertz

• Meter