Light: Crash Course Astronomy #24
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Science
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Hard
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4 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is light fundamentally considered to be?
A form of matter
A type of sound wave
A form of energy
A stream of particles
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the wavelength of light relate to its energy?
Shorter wavelengths have less energy.
Longer wavelengths have more energy.
Shorter wavelengths have more energy.
Wavelength and energy are unrelated.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following lists electromagnetic waves in order from shortest wavelength to longest wavelength?
Gamma Ray, X-ray, Ultraviolet, Visible, Infrared, Microwave, Radio
Radio, Microwave, Infrared, Visible, Ultraviolet, X-ray, Gamma Ray
Visible, Ultraviolet, X-ray, Gamma Ray, Infrared, Microwave, Radio
Infrared, Visible, Ultraviolet, X-ray, Gamma Ray, Microwave, Radio
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the light emitted by an object as its temperature increases?
It emits light with longer wavelengths and lower energy.
It emits light with shorter wavelengths and higher energy.
It stops emitting light altogether.
The color of the emitted light becomes more red.
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