Which of the following waves can propagate through a vacuum?
Question 1 Report
Which of the following waves can propagate through a vacuum?
Answer Details
Infra-red waves can propagate through a vacuum. Unlike sound waves, which require a medium to propagate, and ultrasonic and acoustic waves, which are also sound waves, infra-red waves are electromagnetic waves that can travel through a vacuum. This is because electromagnetic waves consist of oscillating electric and magnetic fields that do not require a medium to propagate.
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