
Unit 8 Practice Test: Light and Optics
Authored by Alyssa Householder
Physics
11th Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Three different people look at light from the sun. Each person looks at the light through two polarizing filters. Person A uses one horizontal polarizing filter and one vertical polarizing filter. Person B uses two horizontal polarizing filters. Person C uses two vertical polarizing filters. Rank the brightness that each person will see.
A > B > C
B = C > A
A > B = C
C > B > A
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student measures the frequency of an electromagnetic wave to be 3 x 10^16 Hz. What type of wave is this?
Radio wave
Visible
Ultraviolet
Gamma
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It takes 8.33 minutes for light to travel from the sun to Earth. What is the distance from the sun to the Earth?
a. 3 x 10^8 meters
b. 2.50 x 10^9 meters
c. 1.50 x 10^11 meters
d. Impossible to determine
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An object appears cyan under white light. This means it absorbs...
a. Red light
b. Green and Blue light
c. Green and Red light
d. Green light
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An object that appears to be magenta under white light is placed under yellow light. What color will the object appear to be?
a. Magenta
b. Red
c. Blue
d. Green
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An object that appears to be red under white light is placed under cyan light. What color will the object appear to be?
a. Black
b. Red
c. Blue
d. Green
7.
HOTSPOT QUESTION
1 min • 1 pt
In which of the following situations will a virtual image be produced?
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