Amplify Light Waves Review
Authored by Lisa Thompson
Science
8th Grade
NGSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement best describes this image?
Different types of waves have different wavelengths.
Different types of waves have different amplitude.
All waves have the same amplitude and wavelength.
Tags
NGSS.MS-PS4-1
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Light waves carry [ ] from one place to another.
Answer explanation
Light waves carry energy from place to place. If a material absorbs the light, the material also absorbs the energy.
Tags
NGSS.MS-PS4-1
3.
DROPDOWN QUESTION
1 min • 1 pt
The same type of light can be brighter if it has a different (a) . If the (b) is different, it is a different type of light.
amplitude
wavelength
Tags
NGSS.MS-PS4-1
4.
DRAW QUESTION
1 min • 1 pt
Draw what happens to energy when light is reflected. Use yellow arrows to represent energy.
Answer explanation
Energy is only absorbed when light is absorbed.
Tags
NGSS.MS-PS4-1
NGSS.MS-PS4-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary function of a laser in amplifying light waves?
To increase the frequency of light
To increase the amplitude of light
To increase the coherence of light
To increase the speed of light
Tags
NGSS.MS-PS4-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which component in a laser is responsible for amplifying light waves?
The gain medium
The optical cavity
The power supply
The cooling system
Tags
NGSS.HS-PS4-3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the context of light amplification, what does the term 'population inversion' refer to?
More electrons in the ground state than in the excited state
Equal number of electrons in the ground and excited states
More electrons in the excited state than in the ground state
No electrons in the excited state
Tags
NGSS.HS-PS4-3
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