NEET PhysicsClass 12Speed in vacuum and in mediaHardSingle correct

A 100 MHz em wave passes from vacuum into a non-magnetic medium (μᵣ = 1) of relative permittivity εᵣ = 2.25. What is its wavelength in the medium? (c = 3.0 × 10⁸ m s⁻¹)

More NEET Physics chapters

Gravitation10 questions Kinetic Theory10 questions Laws of Motion9 questions Mechanical Properties of Fluids10 questions

© 2026 Lumi (Aikolumi Software Pvt Ltd). Original questions written by Lumi. Free to view and practise on this site. Copying, republishing or reproducing these questions, options or solutions, in print or online, is not permitted.

A 100 MHz em wave passes from vacuum into a non-magnetic medium (μᵣ = 1) of relative permittivity εᵣ = 2.25. What is its wavelength in the medium? (c = 3.0 × 10⁸ m s⁻¹)

Practising is step one. Knowing what to practise next is the hard part.