Stimulated Emission

Interactive Video
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Chemistry, Science, Physics, Other
•
11th Grade - University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary characteristic of a laser compared to regular light?
It emits light of multiple colors.
It emits light with varying frequencies.
It emits light in multiple directions.
It emits light coherently in one direction.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens during stimulated emission when an atom at a higher energy level is hit by a photon?
The atom emits a photon of a different frequency.
The atom emits two identical photons.
The atom remains at the same energy level.
The atom absorbs the photon and moves to a lower energy level.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of stimulated emission, what must match between the photon and the energy states of an atom?
The speed of the photon.
The color of the photon.
The wavelength or frequency of the photon.
The size of the photon.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the process of stimulated emission be amplified to create a laser?
By using a single atom repeatedly.
By using photons of different wavelengths.
By using mirrors to reflect photons back and forth.
By increasing the temperature of the atoms.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do mirrors play in the construction of a laser?
They increase the energy of the photons.
They absorb excess photons.
They reflect photons to build up coherent light.
They change the color of the photons.
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