JEE Main 23 Jan 2026 Shift 2 Paper Solved Paper

Section: Physics

Question : 33 of 75

Marks: +1, -0

The ratio of speeds of electromagnetic waves in vacuum and a medium, having dielectric constant k=3 and permeability of µ=2µ0, is ( µ0= permeability of vacuum)

[23 jan 2026 Shift 2]

6:1
3:2
√6:1
36:1

Validate

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