# What is the Refractive Index of the Medium, If the Polarising Angle for a Given Medium is 60° - Physics

MCQ

If the polarising angle for a given medium is 60°, then the refractive index of the medium is.................

#### Options

• 1/sqrt3

• sqrt(3/2)

• 1

• sqrt3

#### Solution

√3
Refractive index,μ = tan iP
→ μ = tan60°

∴ μ = √3

Concept: Polarisation
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