Light And Sound

What is light?(Choose the correct option)

• Light is the only form of energy that we cannot see.

• Light is the only form of energy that we can see.

• Sun is a source of light.

• Light is not a form of energy.

Which of the following is not a Non-luminous object?

• Moon

• Mirrors

• Earth

• Sun

What is this?

• Clock

• Sundial

• An opaque object

• A shadow

Which one of the following is An Opaque object?

• 
• 
• 

What is a shadow?

• A shadow is a square shape that is formed when an object or a person blocks the path of light.

• A shadow is a circle shape that is formed when an object or a person blocks the path of light.

• A shadow is a Dark shape that is formed when an object or a person blocks the path of light.

Light travels faster than sound.

(True or false)

• True

• false

A whisper is a________sound

• loud

• noisy

• unpleasant

• soft

Bursting of firecrackers is a pleasant sound

• True

• False

We must play music loudly

• True

• False

Which all are translucent objects?

• Frosted glass

• glass

• Tracing paper

• wood