A photon of 100 Å is absorbed by a body and it emitted the total energy in form of two photons of equal energy. The frequency of emitted photon is
1.5 × 1016 Hz
3 × 1015 Hz
6.4 × 1018 Hz
3.5 × 1012 Hz
Answers
Answered by
3
Answer:
Use frequency*wavelength=velocity
Energy=Planck's constant*frequency
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Answered by
18
Answer:The right answer is 1.5 ×10^16
Explanation:
λ=100× 10^-10
Energy absorbed=energy emitted.
hc/λ=hν1+hν2.
given ν1=ν2=ν
so hc/λ=2hν.
c/λ=2ν.
ν= c/2λ
ν=3×10^8/2 ×100 ×10^_10
ν=1.5 ×10^16.
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