What type of light does a laser emit?
Anonymous Quiz
5%
Multicolored
88%
Monochromatic
6%
Multidirectional
What is a key characteristic of laser light's travel direction?
Anonymous Quiz
19%
Multidirectional
79%
Coherent
2%
Random
❤1
How is laser light described in terms of beam concentration?
Anonymous Quiz
14%
Scattered
10%
Diffuse
76%
Collimated
Which term best describes the directionality of laser light?
Anonymous Quiz
15%
Multidirectional
5%
Bidirectional
79%
Unidirectional
What distinguishes laser light from lamp light in terms of wavelengths?
Anonymous Quiz
11%
Laser light has many wavelengths
34%
Lamp light is monochromatic
55%
Laser light has a single wavelength
Which characteristic is NOT associated with lamp light?
Anonymous Quiz
11%
Many wavelengths
12%
Multidirectional
8%
Incoherent
69%
Monochromatic
what is a common feature of lamp light?
Anonymous Quiz
8%
Single wavelength
10%
Coherent
78%
Multidirectional
4%
Polarized
How is the coherence of lamp light described?
Anonymous Quiz
17%
Coherent
69%
Incoherent
8%
Monochromatic
6%
Collimated
What is the purpose of collimating laser light?*
Anonymous Quiz
7%
To make it multidirectional
19%
To randomize its direction
74%
To concentrate it into a defined spot
What happens to an electron when it absorbs an amount of energy?
Anonymous Quiz
8%
It stays in its lowest energy level (ground state)
86%
It moves to a higher orbital level (excited state)
5%
It releases a photon
2%
It stops moving
What is the process called when an electron releases an identical photon and returns to the ground state?
Anonymous Quiz
8%
Absorption
8%
Excitation
83%
Spontaneous emission
2%
Ionization
What term describes an electron that has absorbed energy and moved to a higher energy level?
Anonymous Quiz
6%
Ground state
5%
Ionized state
85%
Excited state
5%
Neutral state
What must occur for an atom to be in an excited state?
Anonymous Quiz
16%
The electron releases energy
5%
The atom stops moving
67%
The electron absorbs energy
13%
The electron stays in the ground state
What is required for an electron to move from one energy orbit to another?
Anonymous Quiz
8%
The atom must be in the ground state
5%
The electron must lose mass
88%
An amount of energy equal to the energy difference between the two orbits
What occurs when an electron in an excited state releases an identical photon?
Anonymous Quiz
11%
It stays in the excited state
11%
It becomes a different element
77%
It returns to the ground state
The closer the electron is to the nucleus, the stronger its energy.
Anonymous Quiz
55%
True
45%
False