Is energy directly proportional to frequency?

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Solution

Explanation:
The energy per photon is directly related to the photon's electromagnetic frequency, or $E = ℏ ω \Rightarrow h f$ , for a photon in a vacuum. Where, $E$ = Energy, $h$ = Planck's constant, $ω$ = Angular speed, and $f$ = frequency.
Here's a look at how the two traditional characteristics of light are related: energy and frequency.
Hence, the energy is directly proportional to the frequency.

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