Light and Shadow

Light is a form of ______ that causes sensation of vision and helps us to see _______.

• energy , objects

• sun , candle

Materials that allow light to pass through them are called?

• Opaque

• Translucent

• Transparent

• Shadow

Materials that allow some amount of light to pass through them are called_______

• Opaque

• Transparent

• Light

• None of the above

Materials that completely block the light are called?

• Light

• Opaque

• Transparent

• None of the above

How many things are needed for a shadow to form?

• 7

• 4

• 3

• None of the above

A shadow is_____ even when an object is coloured.

• Green

• Pink

• Black

• None of the above

Tell any two examples of Non-luminous objects.

• Plants

• sun

• burning candle

• Earth

Light travels through air, water, glass and many other materials. What path does it travel to get from one place to another?

• sideways

• back and forth

• straight

• up and down

The objects which emit their own light are

called ______________

• Luminous Objects

• Non - Luminous Objects

This is an example of:-

• luminous object

• non-luminous object