Question:medium

If electrons of mass 'm' and de Broglie wavelength '$\lambda$', incident on a metal plate in an X-ray tube, then the minimum wavelength of X-rays emitted is
(h = Planck's constant and c = Speed of light in vacuum)

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Relate wave properties: Particle $\lambda \rightarrow$ Momentum $\rightarrow$ Energy $\rightarrow$ Photon $\lambda_{min}$.
Updated On: Apr 11, 2026
  • $\frac{4mc\lambda^2}{h}$
  • $\frac{2mc\lambda^2}{h}$
  • $\frac{mc\lambda^2}{4h}$
  • $\frac{mc\lambda^2}{2h}$
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The Correct Option is B

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