Light Quiz

What is a source of light?

• Moon

• Stars

• Fire

• Sun

Which of the following is not a source of light? a) Sun b) Moon c) Candle d) Book

What is refraction of light?

• The reflection of light as it passes from one medium to another medium with a different refractive index.

• The scattering of light as it passes from one medium to another medium with a different refractive index.

• The bending of light as it passes from one medium to another medium with a different refractive index.

• The absorption of light as it passes from one medium to another medium with a different refractive index.

When light passes through a glass prism, it splits into how many colors?

• 7

• 10

• 5

• 3

What is a shadow?

• A shadow is a dark area or shape produced by an object blocking the light.

• A shadow is a transparent area created by an object blocking the light.

• A shadow is a result of the absence of light.

• A shadow is a reflection of an object on a surface.

Which of the following objects is transparent? a) Brick b) Glass c) Wood d) Metal

• a) Brick

• c) Wood

• d) Metal

• b) Glass

Which of the following objects is translucent? a) Mirror b) Plastic bag c) Paper d) Rock

• Mirror

• Paper

• Rock

• Plastic bag

Which of the following objects is opaque? a) Window b) Air c) Water d) Wall

• c) Water

• a) Window

• b) Air

• d) Wall

What are the primary colors of light?

• yellow, blue, and green

• red, yellow, and orange

• purple, orange, and green

• red, green, and blue

When all the colors of light are combined, what color is formed?

• blue

• black

• red

• white