Physics - Electromagnetic Radiation

Created: May 24, 2021

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See Also

• [[Physics - Quantum Physics]]^A
• [[Physics - The Photoelectric Effect]]^A

Flashcards

What is the equation for the energy of a photon in terms of frequency?

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$$E=hf$$

What is the equation for the energy of a photon in terms of wavelength?

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$$E=\frac{hc}{\lambda }$$

What is the approximate value of $h$, Plank’s constant?

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$$6.63\times {10}^{-34}$$

What unit is commonly used for the energy on a photon?

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Electronvolts, $eV$s.

Why might the efficiency of a photodiode be less than 100%?

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• Some photons are not absorbed
• Some photons are reflected

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