State whether light slows down or speeds up in the following cases :
Light going from air to glass.

State whether light slows down or speeds up in the following cases : Light going from water to air.

State whether light slows down or speeds up in the following cases : Light going from glass to water.

State the speed of light

When a light wave travels from air to glass :

The Brewster angle for the glass air interface is 54.74^(@) if a ray of light going from air to glass strikes at an angle of incidence 45^(@) then the angle of refraction is

The Brewster angle for the glass air interface is 54.74^(@) if a ray of light going from air to glass strikes at an angle of incidence 45^(@) then the angle of refraction is

The speed of light is maximum in glass.

State the speed of light in glass

Which of the following travels with the speed of light ?

The diagram below shows a glass block suspended in a liquid. A beam of light of single colour is incident from liquid on one side of the block. (a) Draw diagrams to show how does the light bend when it travels from liquid to glass and then to liquid if (i) the light slows down in glass, and (ii) the light speeds up in glass. (b) State two conditions under which the light ray passing from liquid to glass travels straight without bending. will the glass be visible then ?