Question

The waves emitted when a metal target is bombarded with high energy electrons are:

• A. Microwaves
• B. X rays
• C. Infrared rays
• D. Radio waves

Hint:

When high
energy electrons bombard a metal target, the emitted radiation is typically \textbf{X
rays}, which result from transitions of electrons in the metal atoms.

Answer 1

The Correct Option is B

Step 1: Phenomenon Explanation
High-energy electrons impacting a metal target transfer energy to the metal atoms. This energy dislodges inner shell electrons. As electrons from higher energy levels descend to fill these gaps, they release energy as electromagnetic radiation. 
Step 2: Radiation Type Identification 
The energy emitted during this process is typically in the form of X rays. X rays possess significantly higher energy than visible light and are part of the electromagnetic spectrum. 
Radiation types such as microwaves, infrared rays, and radio waves have lower energy than X rays and are not generated by this phenomenon. 

Final Answer: The correct answer is \( X rays .\)