Question
A photon has frequency 5×10^14 Hz. Using h=6.63×10^-34 J·s, what is its energy?
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Correct Answer: C. 3.315 × 10^-19 J
Explanation:
Photon energy is E=hf.
E=6.63×10^-34×5×10^14 = 3.315×10^-19 J.
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