Ch - 10 Light and Shadows

Sources of light which emit light of the own in nature are called

• Natural sources of light

• Artificial sources of light

Objects that do not emit or give out they own light are called

• Luminous

• Non-luminous

What are opaque object?

• Light which passes through any object

• A part of light which passes through any object

• Light which does not passes through any object

What is a ray?

• A thin light

• A collection of light

A ______ is formed when an object blocks the path of light.

The spinning movement of the Earth is called _____

The rotation of the Earth on its axis causes _______

• Seasons

• Day and Night

• Ony day

• All of these

The movement of the Earth around the Sun is called _____

• Revolution

• Rotation

The fixed path on which the earth revolves is called its ________

If the Sun is completely blocked by the moon when seen from the Earth, we have a ________

• Total solar eclipse

• Partial solar eclipse