# Answer to Question #2858 in Atomic and Nuclear Physics for brek

Question #2858

An 11,000-watt radio station transmits at 880 kHz. Calculate the number of photons that are emitted per second.

Expert's answer

P = 11000 W

ν = 880 Hz

t = 1s

Energy of one photon is

E = hν

For n photons that would be

E

Also

P = E/t = nhν/t

Thus

n = Pt/hν = (11000 [W] ×1 [s])/(6.62×10

ν = 880 Hz

t = 1s

Energy of one photon is

E = hν

For n photons that would be

E

_{n}= nhνAlso

P = E/t = nhν/t

Thus

n = Pt/hν = (11000 [W] ×1 [s])/(6.62×10

^{-34}[J×s]× 880 [s^{(-1)}])=1.88×10^{34}photonsNeed a fast expert's response?

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