Light and Optics Quiz

Which word describes materials that transmit light so objects behind them are seen clearly?

• translucent

• transparent

• opaque

• diffuse

Tags

NGSS.MS-PS4-2

Which word best describes the light waves shown in the figure above?

• coherent

• incoherent

• opaque

• transparent

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which device produces these light waves?

• fluorescent lightbulb

• sodium-vapor lightbulb

• laser

• incandescent lightbulb

Tags

NGSS.MS-PS4-1

In which situation is light refracted?

• Light hits a wall.

• Light travels in a vacuum.

• Light hits a mirror.

• Light travels from air into water.

Tags

NGSS.MS-PS4-2

Which part of the eye detects colors?

• rods

• retina

• cones

• lens

Why does an apple appear to be red?

• It reflects red light.

• It absorbs red light.

• It refracts all colors of light.

• It emits red light.

Tags

NGSS.MS-PS4-2

Which process is used to transmit light in optical fibers?

• diffuse reflection

• total internal reflection

• polarization

• incandescence

Tags

NGSS.MS-PS4-2

Which substance inside a fluorescent bulb absorbs ultraviolet radiation and emits visible light?

• neon

• tungsten

• phosphors

• sodium vapor

Tags

NGSS.MS-PS4-2

When the primary colors of light are added together, which color appears in area H?

• magenta

• yellow

• cyan

• white

Which color appears in area G?

• magenta

• yellow

• cyan

• white