Light, Shadows and Reflections

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Objects that give out or emit light of their own are called objects.

Image formed by a plane mirror is .

Light travels in a .

is a surface on which the shadow is formed.

objects cast no shadow.

In a plane mirror, our left hand looks right hand. This phenomenon is called .

Image formed by a pinhole camera is .

objects allow all light to pass through them.

The dark patch formed when an opaque object does not allow light to pass through it is called a .

objects allow light to pass through them partially.

A torch bulb is a object.

Mirror is an example of an object.

Bouncing back of light from shining surfaces is called .