Let n and m denote the number of photons emitted by a red and blue bulb respectively of equal power in a given time.Is n=m?
Answer:
No
The energy of a photon is hν
where ν is the frequency.
Power = energy/time
==> nhν1 = mhν2
==> nν1 = mν2
clearly n not equal to m
Vivek Sawhney
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