Final Exam

Question 1

Color depends mostly on light

A. frequency.

B. period.

C. wavelength.

D. amplitude.

Answer 1

A. frequency.

Question 2

Red, green, and blue light overlap to form

A. red light.

B. green light.

C. white light.

D. blue light.

Answer 2

White light

Question 3

A red rose will not appear red when illuminated with only

A. red light.

B. orange light.

C. white light.

D. cyan light.

Answer 3

Cyan light

Question 4

To which radiation is the human eye blind?

A. Infrared

B. Ultraviolet

C. Both infrared and ultraviolet

D. Neither infrared nor ultraviolet

Answer 4

Neither

Question 5

When light passes from air into a glass lens, the speed of light in the glass is

A.slowed down.

B.sped up.

C.Unchanged.

D.none of the above.

Answer 5

Slowed down

Question 6

When light passes from space into the Earth’s atmosphere, the speed of light in the atmosphere is

A.slowed down.

B.sped up.

C.unchanged.

D.none of the above.

Answer 6

Slowed down

Question 7

59. Refracted light that bends toward the normal is light that has

A.slowed down.

B.sped up.

C.nearly been absorbed.

D.diffracted.

Answer 7

slowed down