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Questions  

A photon, an electron and a uranium nucleus all have the same wavelength. The one with the most energy

a
is the Photon
b
is the electron
c
is the uranium nucleus
d
depends upon the wavelength and the properties of the particle

detailed solution

Correct option is A

λ=hmv=h2mE ∴E=h22mλ2λ is same for all, so E∞1m.Hence energy will be maximum for particle with lesser mass.

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