19-3 Refraction and Lenses

What do you call the bending of light rays as they enter a new medium?

• diffuse reflection

• regular reflection

• refraction

• diffraction

Tags

NGSS.MS-PS4-2

As light passes from air into water it ________________________.

• speeds up

• continues at the same speed

• slows down

• forms a mirage

Tags

NGSS.MS-PS4-2

Name the curved piece of glass or other transparent material that is used to refract light.

• mirror

• lens

• reflector

• optical fiber

T or F? Because the light rays never meet, a concave lenses can produce only a virtual image.

• True

• False

Tags

NGSS.MS-PS4-2

An image of a distant object caused by refraction of light is called a ____________________.

• prism

• mirage

• rainbow

• hologram

T or F? A material's index of refraction is a measure of how much a ray of light reflects when it enters that material at an angle.

• False

• True

Tags

NGSS.MS-PS4-2

Which lens is concave?

• a

• b

Which lens can produce a real image?

• a

• b

Tags

NGSS.MS-PS4-2

Which lens always produces an image that is upright?

• a

• b

Which lens can produce images that are either smaller or larger than the object?

• a

• b