Chapter 11 – Light Shadows and Reflections

In complete or partial shadows are called:

……………… is the source of light.

In sky, earth and moon are:

Moon goes round the:

Those objects give out light of its own are known as:

Light is a form of energy that makes the objects:

The object that emits light is called a:

Those objects do not give out light of their own are:

What is needed to see shadow ?

What information do we get from shadows ?

When the pinhole box is pointing to sun then its shadow will be:

To see things we need.

Substances like glass, through which light passes easily, are said to be:

Substances through which light cannot pass are said to be:

Light travels in line.

Substances through which light can pass partly are said to be:

The process of light turning back after striking the shiny side of mirror is called:

When light passes from one transparent substance to another, its direction changes on entering the second substance is:

When light rays are stopped by an opaque object then are produced.

Complete shadows are called: