Question 1

Compared to radio waves, the velocity of visible light waves in a vacuum is

Accepted Answer

A) less. 
B) more. 
C) the same. 
A) less. 
B) more. 
C) the same.

Question 2

Information-carrying nerves are connected to the retina at the

Accepted Answer

A) fovea. 
B) blind spot. 
C) cornea. 
D) iris. 
E) periphery. 
A) fovea. 
B) blind spot. 
C) cornea. 
D) iris. 
E) periphery.

Question 3

In the periphery of our vision, we are

Accepted Answer

A) more sensitive to low frequencies than high ones. 
B) insensitive to color and movement. 
C) sensitive to movement, but cannot see color. 
D) sensitive to both movement and color. 
E) none of the above 
A) more sensitive to low frequencies than high ones. 
B) insensitive to color and movement. 
C) sensitive to movement, but cannot see color. 
D) sensitive to both movement and color. 
E) none of the above

Question 4

Metals are shiny because

Accepted Answer

A) they reflect 100% of incident light. 
B) they are poor absorbers of light. 
C) their electrons vibrate to the oscillations of any incident light. 
D) none of the above 
A) they reflect 100% of incident light. 
B) they are poor absorbers of light. 
C) their electrons vibrate to the oscillations of any incident light. 
D) none of the above

Question 5

Colors are barely seen or not at all in nighttime because moonlight

Accepted Answer

A) has almost no colors in it. 
B) is too dim to activate the retina's cones. 
C) photons don't have enough energy to activate the retina's cones. 
D) is primarily yellow light. 
E) is only semi-transparent in Earth's atmosphere. 
A) has almost no colors in it. 
B) is too dim to activate the retina's cones. 
C) photons don't have enough energy to activate the retina's cones. 
D) is primarily yellow light. 
E) is only semi-transparent in Earth's atmosphere.

Exam 26: Properties of Light

Compared to radio waves, the velocity of visible light waves in a vacuum is

Information-carrying nerves are connected to the retina at the

In the periphery of our vision, we are

Metals are shiny because

Colors are barely seen or not at all in nighttime because moonlight

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