Question

The shortest wavelength of X-rays produced in an X-ray tube depends on which of the following ?

• A. Nature of gas in tube
• B. Atomic number of the target element
• C. Voltage applied to the tube
• D. Atmospheric conditions

Answer 1

The correct option is C Voltage applied to the tube

The kinetic energy of electrons bombarding on target depends on the accelerating voltage. The shortest wavelength of x rays emitted depends on the kinetic energy of the electrons.
Therefore, shortest wavelength depends on the voltage applied.