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A photon has 8. 0 × 10–15 J of energy. Planck’s constant is 6. 63 × 10–34 J•s. What is the frequency of the photon? 1. 21 × 1019 Hz 8. 3 × 10–20 Hz 1. 21 × 10–19 Hz 8. 3 × 1020 Hz.
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A photon has 8. 0 × 10–15 J of energy. Planck’s constant is 6. 63 × 10–34 J•s. What is the frequency of the photon? 1. 21 × 1019 Hz 8. 3 × 10–20 Hz 1. 21 × 10–19 Hz 8. 3 × 1020 Hz.

User Vikash Kumar Verma
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28 votes

Answer:

E = h f energy of Planck's photon where f is the frequency

f = 8.0E-15 / 6.63E-34 = 1.21E19 / sec

User Coldfused
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