Quiz on Light and Its Properties

What is light primarily considered in science?

• A solid object

• A form of electromagnetic radiation

• A liquid substance

• A type of sound

What is the speed of light in a vacuum?

• 500,000 kilometers per second

• 1,000 kilometers per second

• 299,792 kilometers per second

• 150,000 kilometers per second

What is the wavelength range of visible light?

• 100 nm to 400 nm

• 400 nm to 700 nm

• 700 nm to 1,000 nm

• 1,000 nm to 1,500 nm

Which color has the shortest wavelength in the visible spectrum?

• Yellow

• Violet

• Green

• Red

What is reflection?

• The scattering of light

• The absorption of light

• When light bounces off a surface

• The bending of light

What does refraction refer to?

• The absorption of light by a material

• The bouncing of light off a surface

• The splitting of light into colors

• The bending of light as it passes through a medium

What is the angle of incidence?

• The angle of total internal reflection

• The angle between the refracted ray and the surface normal

• The angle between the incoming light ray and the surface normal

• The angle between the reflected ray and the surface normal

What is Snell's Law used to describe?

• The properties of reflection

• The color spectrum of light

• The relationship between angles of incidence and refraction

• The speed of light in a vacuum

What happens to light when it enters a denser medium?

• It slows down and bends toward the normal

• It bends away from the normal

• It speeds up

• It disappears

What is the refractive index?

• A measure of the speed of light in a vacuum

• A measure of the color of light

• A measure of how much a material can bend light

• A measure of how much light is absorbed