Energy - Blackbody Radiation Flashcards

1
Q

Maxwell Equations

A

Describes behaviour of electric and magnetic fields, and how they relate to one another, describing their manifestations of the same phenomenon

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2
Q

Why did determinisitc physics collapse?

A

Ultraviolet Catrastrophe and non-existence of luminiferous aether

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3
Q

Ultraviolet Catastrophe

A

A prediction by classicaly electromagnetism that intensity of black body radiation at thermal equilibrium goes to finifinity as wavelength decreases.

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4
Q

Rayleigh-Jeans Law

A

Black bodies in thermal equilibrium emit radiaiton at all frequencies, as it increases, so does energy of radiation emission

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5
Q

Luminiferous Aether

A

This is the volume medium of space light propogates

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6
Q

What are the maxwell equations based on?

A

Luminferous aether

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7
Q

What is blackbody radiation a function of in classical physics?

A

Frequency for a fixed temperature(Rayleight jeans law_

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8
Q

What did planck describe light as to resolve UV catastrophe?

A

Described light as discrete quanta of energy called photons

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9
Q

Newtons Corpuscular Theory of LIght

A

Said that light was made of particles having neglible mass

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10
Q

Blackbody

A

A theoretical model absorbing wave lengths of all frequencies, yet only emitting wavelengths characteirsitc of its own temperature

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11
Q

Wiens Displacement Law

A

Describes how blackbody temperature increase means overall radiated energy increases, meaning peaks of raidation curve become shorter.

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12
Q

Stefan Boltzmann Law

A

Says flux density emitted by a blackbody, is to the fourth power proportional of its absolute temperature.

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