Photoelectric EffectHard
Question
A proton and an electron are accelerated by the same potential difference. Let λe and λp denote the de Broglie wavelengths of the electron and the proton respectively.
Options
A.λe = λp
B.λe < λp
C.λe > λp
D.λe and λp depends on the accelerating potential difference.
Solution
Charge present on both panticle are same
∵ λ =
So q1 = q2
> 1
∵ mP > > me
∴ λe > λP
∵ λ =
So q1 = q2 > 1∵ mP > > me
∴ λe > λP
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