Physics · Electromagnetic Waves
Electromagnetic waves can propagate through vacuum. Which one among the following is the correct reason behind this?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Photons possess rest mass
- 2Time-varying electric and magnetic fields mutually sustain each other✓
- 3Charges oscillate in empty space
- 4Vacuum behaves like an elastic mechanical medium
Correct answer
Time-varying electric and magnetic fields mutually sustain each other
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