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Physics Definitions > Photons > Flashcards

Photons Flashcards

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1
Q

A Photon

A

A quantum of energy of electromagnetic radiation

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2
Q

The Electronvolt

A

The energy transferred to or from an electron when it is passes through a potential difference of 1 volt; 1eV is equivalent to 1.6x10-19 J

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3
Q

Threshold Voltage

A

The minimum potential difference required across an LED before a current begins to flow through the LED

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Physics Definitions (39 decks)

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