UNIT D: LESSON 2 (PY 131)

Lakukan tugas rumah & ujian kamu dengan baik sekarang menggunakan Quizwiz!

what is the solar radiation curve?

a plot of brightness of sunlight versus its frequency

if three primary colors of light are to shine on a white wall to produce a white spot, the primaries must be

additive

why do air molecules make the sky blue?

air molecules act as resonators which scatter blue light

why would a distant mountain range have a blue tint?

because the color of atmosphere between the observer and the hills is blue

why is water green-blue?

because water absorbs red light

what color is red appear as in very deep water?

black

what color will a blue sheet of appear as when illuminated with a yellow light?

black

what color will a red sheet of paper appear as when illuminated with a cyan light?

black

what color is created when red and green pigments are mixed?

blackish-brown

what color light is reflected by a blue object?

blue

what color would sunsets be if the atmosphere scattered orange light instead of blue light?

blue

what color would distant snowy hills be in a yellow atmostphere?

bluish

are the colors seen on a TV screen made from color addition or color subtraction?

color addition

is the color on the cover of your physics textbook a result of color addition or color subtraction?

color subtraction

what are complimentary colors?

complimentary colors produce white light when added together

what determines the color of light?

frequency

what color is created when cyan and yellow pigments are mixed?

green

what color would best reflect light from a green sun?

green

In what part of the electromagnetic spectrum is first absorbed by water?

infrared light

what happens when the frequency of light matches the natural frequency of molecules in a material?

light is absorbed

why are sunsets red?

low light frequencies survive being scattered in the air

what color would best absorb the light from a green sun?

magenta

what inks are used to print a color newspaper

magenta, cyan, yellow, and black

what color is the noon sun on jupiter?

none of these

what is the complementary color of blue?

orange

what colors of light mix to make magenta?

red and blue light

what colors are the pixels on a TV screen?

red, blue, and green

what color would the sun be at noon in an atmosphere 50 times thicker than earth's?

red-orange

what color would distant mountains appear as in a red atomosphere?

reddish

the color of an opaque object is the same as the light that is

reflected

distant snow covered hills appear yellowish because that is the color of the

reflected light that survives scattering

when is the sky the deepest blue?

right after a rainstorm

sunsets are red, blue jays are blue; the reason's the same:

scattered sunlight -- nothing new

do small bells or large bells interact more with high frequencies?

small bells

do large particles or small particles interact more with high frequency light?

small particles

what time of day does sunlight travel through the most atmosphere?

sunrise and sunset

what does a white sky suggest about the atmosphere's contencts?

the atmosphere is a mixture of particle sizes

why are clouds white?

the cloud's particles are different sizes

what do multiple colors in a sunset indicate?

the colors indicate atmospheric particles

will a darker or lighter piece of glass heat up faster in the sunlight?

the darker glass

why is it difficult to see the road while driving in the rain?

the film of water on the roadway makes the road less diffuse

what does the redness of a lunar eclipe give evidence for?

the refraction of sunsets and sunrises all around the world

will the temperature of a green pane of glass or a clear pane of glass rise faster in sunlight?

the temperature will rise faster in green glass

what determines the color of a light wave?

the wave's frequency

how many colors are used in a color printer?

three plus black

what are the main colors produced by the sun?

yellow-green


Set pelajaran terkait

Chapter 1: Scientific Understanding of Behavior

View Set

RADT1001 Ch 24. End of Chapter Review

View Set

Prep U Chapter 31: Assessment and Management of Patients With Hypertension

View Set

Unit 3- IGGY Study Guide Chapter 58 - Care of patients with liver problems

View Set

NUR 353 Exam 1: Reproductive Questions

View Set