Question

The shortest wavelength of X-rays emitted from an X-ray tube depends on the.

• A. Current in the tube
• B. Voltage applied to the tube
• C. Nature of gas in the tube
• D. Atomic number of target material

Answer 1

Answer: (B)

Voltage applied to the tube

Answer 2

${\lambda\frac{hc}{eV}}_{\min}$ where h, c and e are constants. Hence ${\lambda\frac{1}{V}}_{\min}$