Shadows are formed because of light as it travels in

Some people used instead of mirror a fine polished metal called

Sun is bigger and farther away from

People cast shadow on ground as they walk because they block

Mirrors do not produce light but can be seen because they reflect light into our

Materials which allow most of light rays to pass through them are called

Rays of light can never be

Energy savers such as florescent bulbs require less energy than a

Polished metals are

A sensor which can sense brightness in surroundings is called

In Wayan Kulit light falling on puppets cannot pass through them except

Materials which doesn't allow any light to pass through them are called

A tracing paper will make a shadow with less

Long shadows with different positions are found when sun is low in western horizon in

Man-made sources of light includes

The shadow is short when the sun is overhead at

Rough surfaces can reflect

The things which give off light are called

If a light falls on a mirror it will

A lot of heat energy and light energy is given off by a