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Physics > Unit 3 > Flashcards

Unit 3 Flashcards

1
Q

Quanta

A

An exact amount of energy being released or absorbed that will allow an electron to move orbitals

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2
Q

When an electron absorbs energy

A

It gets excited

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3
Q

Ground state

A

Lowest energy state

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4
Q

Ionization

A

When an electron gets so much energy it leaves atom pull

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5
Q

Light acts like

A

A particle and a wave

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6
Q

Photon

A

A bundle of electromagnetic radiation

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7
Q

Electrons move at the…

A

Speed of light

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8
Q

Energy of the quanta is directly related to the - of a wave

A

Frequency

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9
Q

Radioactive Waves with a frequency higher than visual light are harmful because…

A

They have a super high quanta, our bodies can’t handle all the energy

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10
Q

Planks constant is

A

The ratio of energy to frequency

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11
Q

The magnitude of energy in a quanta is

A

A photon

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12
Q

Energy is measured in

A

Joules or eV

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13
Q

When using h, Energy will be in what measurements?

A

Joules

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14
Q

Ionization potential

A

Amount of energy needed to exit atom (electron)

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15
Q

The light spectrum is created when

A

Electrons release energy

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16
Q

Protons and neutrons can be found where in the atom?

A

The nucleus

17
Q

Protons have what charge?

A

+1e

18
Q

How much do protons weigh?

A

1 umu

19
Q

Neutrons have what charge?

A

0e

20
Q

Neutrons weigh how much?

A

1 umu

21
Q

How much do electrons weigh?

A

Essentially 0 u

22
Q

Charge of electron is

A

-1e

23
Q

Neutrino weight

A

0u

24
Q

Neutrino charge

A

0e

25
Q

Isotope

A

Even mass

26
Q

Annihilate

A

No leftover mass, all converted to E

27
Q

Order the natural forces from strongest to least

A

Strong nuclear force, electrostatic force, gravitational force, weak nuclear force

28
Q

Strong nuclear force…

A

Keeps the nucleus together

29
Q

c is

A

The speed of light, m/s

30
Q

m is

A

Mass, kg

31
Q

E

A

Energy, joules

32
Q

Hadrons interact with which forces?

A

All four natural forces

33
Q

Leptons interact with

A

3/4 natural forces, excluding string nuclear

34
Q

Which is heavier, mesons or baryons?

A

Baryons

35
Q

Is mass is given in umu’s, how do you find energy?

A

Dimensional analysis to MeV

36
Q

If mass is given in kg, how do you solve for energy?

A

Use E=mc^2

37
Q

Antiparticles

A

The same as the original, but charge is * -1

38
Q

What is the maximum charge for a meson?

A

1e

39
Q

What is the maximum charge for a baryon?

A

2e

Physics (6 decks)

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