When the accelerating voltage in an X-ray tube is doubled, the minimum wavelength of the X-rays
A) is decreased to one-fourth the original value.
B) is decreased to one-half the original value.
C) is increased to four times the original value.
D) is increased to twice the original value.

Question

Quizplus · Accepted Answer

The minimum wavelength of X-rays is inversely proportional to the accelerating voltage. Doubling the voltage halves the minimum wavelength.

When the Accelerating Voltage in an X-Ray Tube Is Doubled