Quantum Theory Flashcards

1
Q

Briefly describe black body radiation and quantum theory

A

Max Planck proposed that energy is quantised (E=hv) solving ultraviolet catastrophe ( fit experimental data curve of black body radiation)

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2
Q

Define the photoelectric effect

A

Light can eject electrons from a metal if it’s frequency is above a threshold frequency (characteristic of the metal). Einstein proposed light is quantised.

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