Which of the following is an example of electromagnetic radiation?
A
Seismic waves
B
Water waves
C
X-rays
D
Sound waves
Correct Answer: Option C — X-rays
Explanation:
X-rays are a form of electromagnetic radiation with wavelengths shorter than ultraviolet light. Unlike sound or water waves, which are mechanical waves requiring a medium, electromagnetic radiation like X-rays can travel through the vacuum of space.