Revision: Refraction of light

When light enters glass from air, it changes direction. This is called ......

• Absoption

• Refraction

• Reflection

• Scattering

What is the cause of refraction of light?

• The frequency of light changes

• The speed of light changes

• The colour of light changes

• The brightness of light changes

Light travels faster in ......

• air

• water

Light travels slower in ......

• air

• glass

If a light ray slows down, it refracts ...

• towards the normal.

• away from normal.

If a light ray speeds, it refracts ...

• towards the normal.

• away from normal.

If light travels from glass to air, it refracts ......

• towards the normal

• away from normal

If light travels from water to air, it refracts ......

• towards the normal

• away from normal

If light travels from air to glass, it refracts ......

• towards the normal

• away from normal

If light travels from water to glass, it refracts ......

• towards the normal

• away from normal