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What energy is associated with a photon in the infrared region of the spectrum having a frequency of 2.9 × 1013 5-1?

User Popo
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1 Answer

10 votes
10 votes

Answer:

1.9 x 10^-20 Joules

Step-by-step explanation:

I'll assume the frequency is 2.9 x 10^13 Hz [5-1 was meant to be s^-1].

The energy of a photon is given by the releationship:

E = hf, where E is energy, h is Planck's constant, and f is frequency, in 1/s or Hz.

Planck's constant = 6.62607E-34 J*s

E = hf

E = (6.626 x 10^-34 J*s)*(2.9 x 10^13 s^-1)

E = 1.9 x 10^-20 Joules

User Pat Murray
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