Light travels in two media M₁ and M₂ with speeds 1.5 × 10⁸ ~ms⁻¹ and 2.0 × 10⁸ ~ms⁻¹ respectively. The critical angle between them is:

Optics: JEE Main 2022 Physics question

JEE Main 2022 · 26 Jul, Evening shift · Q7116

JEE Main 202226 Jul, Evening shiftPhysicsEasyOptics190× since 2002

Light travels in two media

M_{1}

and

M_{2}

with speeds

1.5 \times 10^{8} \mathrm{~ms}^{-1}

and

2.0 \times 10^{8} \mathrm{~ms}^{-1}

respectively. The critical angle between them is :

JEE Main 2022 · 26 Jul, Evening shift · Q7116

JEE Main 202226 Jul, Evening shiftPhysicsEasyOptics190× since 2002

Light travels in two media

M_{1}

and

M_{2}

with speeds

1.5 \times 10^{8} \mathrm{~ms}^{-1}

and

2.0 \times 10^{8} \mathrm{~ms}^{-1}

respectively. The critical angle between them is :