Physics Alternating Current PMDC Conceptual Practice
PMDC Verified Question 17 of 127
A microwave is classified as a(n):
A
Electromagnetic wave
B
Sound wave
C
Longitudinal wave
D
Mechanical standing wave
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: Electromagnetic wave
Concept:

This is a fundamental definition-based question covering wave classification.

Solution:

A microwave is a form of electromagnetic radiation. It consists of oscillating electric and magnetic fields traveling together through space at the speed of light.

Why other options are incorrect:

  • Sound, longitudinal, and mechanical standing waves require a material medium (like air or a string) to propagate, whereas microwaves can travel freely through a vacuum.

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