PhysicsEasy145×since 2002Q6561An electron having de-Broglie wavelength λ\lambdaλ is incident on a target in a X-ray tube. Cut-off wavelength of emitted X-ray is :A0B2m2c2λ2h2{{2{m^2}{c^2}{\lambda ^2}} \over {{h^2}}}h22m2c2λ2C2mcλ2h{{2mc{\lambda ^2}} \over h}h2mcλ2Dhcmc{{hc} \over {mc}}mchcCheck answerSkip