Quantum Universe - Chapter 6 Flashcards

1
Q

Wein’s displacement law

A

λmaxT = 2.89810^-3
λ = b/T

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2
Q

Stefan’s Law

A

P=AσT^4

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3
Q

Energy quantum radiation / Energy of photon

A

E=hf
E = hc/λ

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4
Q

Energy balance of photo electron

A

Kmax = hf - Φ

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5
Q

Cutoff frequency

A

F = Φ/h

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6
Q

Relativistic invariant energy equation

A

E^2 = (pc)^2 + m0^2*c^4

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7
Q

Energy momentum relation

A

E = mv
E = mc

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8
Q

Compton wavelength of an electron

A

λc = h/(m0*c)

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9
Q

Bohrs first quantisation condition

A

Ln = n*h-dash

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10
Q

Bohrs second quantisation condition

A

hf = E0*(1/n^2 - 1/m^2)

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11
Q

Bohrs radius of the nth orbit

A

rn = a0*n^2

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12
Q

Ground state of hydrogen

A

E1 = -E0 = -13.6eV

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13
Q

The nth energy of hydrogen like ion

A

En = -Z^2E0(1/n^2)

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14
Q

Energy of matter wave

A

E = hf

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15
Q

De broglie wavelength

A

λ = h/p = h/mv

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16
Q

Heinsenburg uncertainty principle

A

ΔxΔp = 0.5h-dash

17
Q

Momentum and kinetic energy relation

A

P = sqrt(2mKE)

18
Q

Lyman α line

A

E0/hc*(1/2^2-1)
N=2

19
Q

H-α line

A

E0/hc*(1/3^2-1/2^2)
N=3 m=2

20
Q

Balmer series

21
Q

Lyman series

22
Q

Kinetic energy and mass relation

A

K1m1 = K2m2

23
Q

Paschen series

24
Q

Bracket series

25
Q

Name series in order

A

Lyman (UV)
Balmer (Visible)
Paschen (Infrared)
Bracket (Infrared)
Pfund (Infrared)