Quiz on Light

What is light and how is it produced?

• Light is a form of energy produced by luminous objects.

• Light is a type of sound wave.

• Light is a chemical reaction.

• Light is a form of matter.

How does light interact with objects to give them colour?

• Light reflects off objects to give them colour.

• Light absorbs into objects to give them colour.

• Light changes the shape of objects to give them colour.

• Light heats objects to give them colour.

Which of the following objects produces light?

• You

• Moon

• Lightbulb

• Mirror

Which of the following is true about the moon?

• It is a luminous object

• It produces its own light

• It reflects light

• It absorbs light

Which of the following is NOT a way of producing light?

• Incandescence

• Photosynthesis

• Phosphorescence

• LED

Which of the following methods of producing light is commonly used in glow sticks?

• Chemiluminescence

• Incandescence

• Electric Discharge

• LED

What type of light production is used in neon signs?

• Electric Discharge

• Phosphorescence

• Bioluminescence

• Incandescence

Which method of producing light is used in fluorescent lamps?

• Fluorescence

• Phosphorescence

• Bioluminescence

• LED

What happens to an object during incandescence?

• It cools down

• It glows

• It melts

• It evaporates

What does phosphorescence require to glow?

• Heat

• Absorbing light

• Friction

• Electricity