Question

When a metal target is bombarded with high-energy electrons, the electromagnetic waves generated are

• A. infrared waves
• B. microwaves
• C. X-rays
• D. gamma rays

Hint:

High-energy electron collisions with a metal target produce X-rays due to the deceleration of the electrons and the release of energy.

Answer 1

The Correct Option is C

When high-energy electrons collide with a metal target, they decelerate rapidly, causing them to lose energy in the form of electromagnetic radiation. The energy lost is emitted as X-rays, a type of electromagnetic radiation with wavelengths shorter than ultraviolet radiation. This process is the principle behind the generation of X-rays in X-ray tubes. Thus, the correct answer is \( \boxed{\text{X-rays}} \).