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Photon Energy Expression

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Photon energy expressed as?

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h f

h / f

f / h

h f²

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Subject: physics
Chapter: dual nature
Topic: photon energy expression
Difficulty: Easy
Year: 2025

Solution

Correct Answer:

h f

Planck's Law: The energy ( $E$ ) of a single quantum of electromagnetic radiation (photon) is directly proportional to its frequency ( $f$ ).
Constant: The constant of proportionality is Planck's constant ( $h$ ).
Formula: $E = h f$ .
Waveform: Using $c = f λ$ , it can also be written as $E = \frac{h c}{λ}$ .

This easy difficulty physics question is from the chapter dual nature, covering the topic of photon energy expression. It appeared in the 2025 exam.

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Photon Energy Expression

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