The waves which do not require any medium for their propagation are called:
Correct answer: D. Electromagnetic waves
- A. Mechanical waves
- B. Sound waves
- C. Tidal waves
- D. Electromagnetic waves
Explanation
Waves that do not require any medium for their propagation are called electromagnetic waves.
This question appeared on the HEC Phase II 2017 paper, which you can sit online with every answer explained.
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About Electromagnetic Waves
Electromagnetic waves consist of mutually perpendicular, oscillating electric and magnetic fields that also remain perpendicular to the direction of propagation. They travel through vacuum at the speed of light and include radio waves, microwaves, infrared, visible, ultraviolet, X-rays and gamma rays. Unlike mechanical waves, they do not require a material medium.
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