Quiz on Light and Reflection

What is light primarily described as?

• A solid object

• A liquid substance

• A form of radiant energy

• A type of sound

Which of the following is a natural source of light?

• The sun

• Fluorescent tube

• Candle

• Incandescent lamp

What is the speed of light in a vacuum?

• 3 x 10^8 m/s

• 3 x 10^4 m/s

• 3 x 10^6 m/s

• 3 x 10^5 m/s

What happens to light when it passes from air to water?

• It speeds up

• It disappears

• It slows down

• It changes color

What is a point source of light?

• A large light source

• A source that only reflects light

• A small light source compared to its distance

• A light source that emits no light

Which of the following is NOT a characteristic of light?

• Light can be absorbed

• Light can be reflected

• Light travels in a straight line

• Light can be created from darkness

What is the angle of incidence equal to in the laws of reflection?

• Angle of refraction

• Angle of reflection

• Angle of deviation

• Angle of absorption

What type of mirror is a concave mirror?

• A mirror that only reflects light

• A flat mirror

• A mirror with an inward reflecting surface

• A mirror with an outward bulging surface

What is the principal focus of a mirror?

• The point where light rays converge

• The point where light rays diverge

• The center of the mirror

• The edge of the mirror

What type of image does a convex mirror always form?

• Real and inverted

• Virtual and erect

• Real and erect

• Virtual and inverted