Physics quiz : Light

Light is a form of _____________

• Vibrations

• Energy

• Electricity

• Diwali

Light travels in a (a)   line

Differentiate between luminous and non-luminous objects.

The sun is an example of a _________

• Luminous object

• Non-luminous object

• Planet

• Galaxy

A non-luminous object can only be seen if__________

• It is pink

• it is in space

• it is reflecting light from a luminous source.

• If it is round

Which of the following allow all the light to pass through

• Transparent objects

• Translucent objects

• Opaque objects

How does a periscope work?

For a rough surface what happens to the light rays?

• They turn blue

• They form a shadow

• the reflected light rays scatter in all directions.

What happens when light reflects off a smooth surface?

At what angle does light reflect in a periscope?

(a)