Physics · Electromagnetic Waves
When light propagates through a material medium of relative permittivity εr and relative permeability μr, the speed of light v is given by (where c is the speed of light in vacuum):
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1v = c √(εr μr)
- 2v = √(μrεr)
- 3v = c
- 4v = c√(εr μr)✓
Correct answer
v = c√(εr μr)
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