What is the unit used to measure light intensity?

Understanding Light Measurement Concepts

Interactive Video
•
Physics
•
6th - 8th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Candle
Watt
Lux
Lumen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a natural light source?
Candle
Torch
Sun
Lamp
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between brightness and heat energy from a light source?
Brighter sources emit less heat
Heat is directly proportional to brightness
Heat and brightness are unrelated
Brighter sources always emit more heat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is light intensity defined?
The amount of heat emitted by a source
The rate of light energy delivered per unit area
The size of the light source
The color of the light emitted
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What device is used to measure light intensity?
Thermometer
Barometer
Voltmeter
Lux Meter
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the required lux level for regular office spaces?
320 lux
1000 lux
80 lux
500 lux
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How should the lux meter sensor be positioned when measuring light?
Horizontally
Vertically
Diagonally
Upside down
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