Electromagnetic WavesEasy
Question
If a source of power 4 kW produces 1020 photons/second, the radiation belong to a part of the spectrum called
Options
A.X-rays
B.ultraviolet rays
C.microwaves
D.γ -rays
Solution
4 × 103 = 1020 × hf

f = 6.03 × 1016 Hz

f = 6.03 × 1016 Hz
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