Refraction of Light

Q. The quickest path for light need not be the shortest path.

1. False
2. True

Q. If a ray of light falls perpendicular on the surface, it passes undeviated.

1. False
2. True

Q. A medium in which light travels faster than the other medium, then that medium is called optically medium than the other medium.

1. rarer
2. denser
3. similar

Q. Light follows rectilinear propagation in a given medium.

1. True
2. False

Q. Oil has mass density than water.

1. less
2. more
3. equal

Q. Oil is more optically dense than water.

1. False
2. True

Q. Light is an electromagnetic wave.

1. False
2. True

Q. Light bends towards the normal on travelling from rarer to denser medium.

1. True
2. False

Q. Light travels with same speed in all the mediums.

1. False
2. True

Q. If we observe a pebble in a pool, the pebble would appear to be___ .

1. nearer to surface than it really is

2. deeper in water than it really is

3. at the same depth as it really is

4. invisible