Electrons with de Broglie wavelength fall on the target in an X-ray tube

PHYSICS · Single correct · CBSE · Physics · Dual Nature of Radiation and Matter · Dual Nature of Radiation and Matter

Problem

Electrons with de Broglie wavelength

\lambda

fall on the target in an X-ray tube. The cutoff wavelength of the emitted X-rays is (1)

\lambda_0=\frac{2mc\lambda^2}{h}

(2)

\lambda_0=\frac{2h}{mc}

(3)

\lambda_0=\frac{2m^2c^2\lambda^3}{h^2}

(4)

\lambda_0=\lambda