A photon has frequency 5 Hz. Using J s, what is its energy?

Answer and explanation

Correct answer: A. 3.3 J

  1. Step 1: J.
  2. Step 2: J J.
Answer
3.3 J.
Why not the others: 33 J: the power of ten is misplaced. 0.33 J: the power of ten is misplaced. 0.132 J: Planck's constant is divided by the frequency.

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