Q5 of 284 Page 219

A ray of light travelling in water emerges into air. Draw a ray-diagram indicating the change in its path.

A ray of light travelling in water emerges into air. The ray-diagram indicating the change in its path is


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3

A beam of light travelling in a rectangular glass slab emerges into air. Draw a ray-diagram indicating the change in its path.

 4

A beam of light travelling in air is incident on water. Draw a ray-diagram indicating the change in its path in water.

 6

A ray of light travelling in air is incident on a parallel-sided glass slab (or rectangular glass slab). Draw a ray-diagram indicating the change in its path in glass.

 7

A ray of light travelling in glass emerges into air. State whether it will bend towards the normal or away from the normal.