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Light and Color Flashcards | StudBud
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Light and Color
Light and Color
24 terms
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StudBud Administration
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166 plays
Review for light, color, and optics
Flashcards
24 cards
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Practice quiz
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Host live
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Questions
24
Answers
1
Which cube has an index of refraction greater than water?
Neither cube
Cube in case B
Cube in case A
Both cubes
2
Highest energy electromagnetic waves
Violet light waves
Infrared rays
Gamma rays
AM radio waves
3
Real or virtual image?
Real
Virtual
4
Green light is mixed with red light. What does this
create
?
Black light
Yellow light
A mixture of red and green light
White light
5
Converging or diverging lens?
Diverging
Converging
6
Real or virtual image?
Real
Virtual
7
What is the medium through which an electromagnetic wave propagates?
Earth
No medium is required
Air
Water
8
Real or virtual image?
Real
Virtual
9
Red paint mixed with blue paint appears
Green
Mixture of red and blue
Black
Magenta
10
The cones in our eyes are sensitive to
Red, blue, and green light
Cyan, magenta, and yellow pigment
No colors; cones cannot detect color
Cyan, magenta, and yellow light
11
Real or virtual image?
Virtual
Real
12
Red light mixed with blue light appears
Green
Magenta
Red and blue
Black
13
How fast does an x-ray travel?
The speed of light
Slower than infra-red rays
An infinite speed.
Faster than ultraviolet rays
14
Which oil has an index of refraction lower than that of water?
Oil A
Both A and B
Neither A nor B
Oil B
15
Which cube has higher index of refraction?
Insufficient info to answer
They are the same
Cube in case A
Cube in case B
16
Subtractive model of color mixing is used when ...
Whenever you wish
Mixing cyan, magenta, and yellow
Mixing pigment
Mixing light
17
What makes up an electromagnetic wave?
A gravitational field
An electric field
A magnetic field
Both an electric and magnetic field
18
This causes sunburn and skin damage
Infra-red rays
X-Rays
Ultraviolet rays
Radar waves
19
Magenta paint mixed with cyan paint appears
Mixture of magenta and cyan
Black
Yellow
Blue
20
Used in TV remote controls and night vision goggles
Ultraviolet rays
Infra-red rays
TV waves
X-rays
21
Light travels faster in which cube?
Cube in case B
Insufficient info to answer
Cube in case A
They are the same
22
Which situation shows Total Internal Reflection?
Both A and B
Neither A nor B
Case B
Case A
23
5 observers are in locations A-E. Which ones will be able to see the bulb in the mirror?
All of them
D and E only
All except A
A and B only
24
A 600 nm light wave has a frequency of 5 x 10
14
Hz. How fast does it travel? (1 nm = 10
-9
m)
3 x 1017 m/s
The speed of light
3 x 108 m/s
8.3 x 1020 m/s
