Quantum Physics Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Photoelectric effect

A

A phenomenon in which electrons are liberated from a cool metal surface when electromagnetic radiation of sufficiently high radiation is incident upon it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Photon

A

A quantum of electromagnetic radiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Work function

A

The minimum amount of energy required to remove an electron from the metal surface (i.e. The energy required to remove the least strongly held electron)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

De-excitation

A

Refers to the atom/electron jumping from a higher energy state to lower energy state, usually resulting in the release of a photon.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

X-Ray spectra

A

X-rays are produced when high-speed electrons, accelerated through a large potential difference, collide with a metal target, and are slowed down.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Wave-particle duality

A

Light behaves both as photons and as a wave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly