Practice portal › GUJCET › Electromagnetic Waves

Speed of EM Waves and Media for GUJCET: 5 solved questions

Real GUJCET paper questions on speed of em waves and media, part of electromagnetic waves. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2018 to 2019. No sign-in needed to read them.

What this topic asks

• Speed in vacuum and in a medium — 2 questions
• Units and dimensions — 2 questions
• Refractive index and dielectric constant — 1 question

All 5 questions with solutions

• If v_γ, vₓ and vₘ are the velocities of γ-rays, X-rays and microwaves respectively in space, then RS Academy GUJCET booklet
• If μᵣ is the relative permeability and K the dielectric constant of a given medium, then the refractive index… RS Academy GUJCET booklet
• At room temperature, if the relative permittivity of water is 80 and the relative permeability is 0.022, then… RS Academy GUJCET booklet
• The dimensional formula of μ₀ε₀ is . GUJCET 2018
• The dimensional formula of εᵣμᵣ is . GUJCET 2019