Chapter 27 review Physics

LED TV

-Blue -Green -Red

cool of an object depends on what?

It depends on the light frequency shining on it

What characteristic of light mostly relates to color? A) frequency B) amplitude C) both of these

A) Frequency

A mixture of cyan and yellow pigments appears A) green. B) blackish-brown. C) blue. D) magenta. E) orange.

A) Green

What color light is transmitted by a piece of blue glass? A) white B) blue C) orange D) red E) yellow

B) blue

Strictly speaking, to say that an apple is red means that A) an apple is red. B) it appears red. C) is, or appears makes no difference is red.

B) it appears red

Different colors of light correspond to different light A) polarities. B) intensities. C) velocities. D) frequencies. E) none of the above

D) Frequencies

Shadow is ?

Shadow is complimentary color

When objects complimentary light color shines on it the object will?

The object will appear Black

Eyes are most sensitive to ?

To yellow-green

Complementary color are what ?

complementary are two colors added together to make white light.

Blue + Yellow =

white

Green + Magenta =

white

Red + Cyan =

white

When the frequency of light matches the natural frequency of molecules in a material, light is A) absorbed. B) transmitted. C) reflected. D) none of the above

A) Absorbed

You can get a sunburn while under the "shade" of a beach umbrella due to A) reflected sunlight from the sand. B) refracted sunlight from the water. C) light scattering in the air. D) none of the above

A) reflected sunlight from the sand.

The complementary color of blue is A) magenta. B) yellow. C) red. D) green. E) cyan.

B) Yellow

Black is ?

Black is not a color!

Complementary colors are two colors that A) are additive primary colors. B) blend together. C) produce white light when added. D) are right for each other. E) produce white light when subtracted.

C) Produce white light when added

If three primary colors of light shine on a white wall and produce a white spot, the primaries must be A) divisive. B) multiplicative. C) additive. D) subtractive.

C) addictive

What are the full printed color in a printer ?

Cyan, yellow, magenta, + black

A banana will appear black when illuminated with A) red light B) cyan light C) green light D) blue light

D) blue light

Magenta light is a mixture of A) red and cyan light. B) yellow and green light. C) red and yellow light. D) red and blue light. E) none of the above

D) red and blue light

How do we stay cool ?

Wear something same color as the sunlight.

how do you stay warm ?

Wear something that is sunlight complimentary color

white light shinning on on it it will ?

the object will reflect the color the object appears and absorb all other frequencies.