Optics: JEE Main 2026 Physics question

JEE Main 2026 · 23 Jan, Morning shift · Q26

JEE Main 202623 Jan, Morning shiftPhysicsMediumOptics190× since 2002

Consider light travelling from a medium A to medium B separated by a plane interface. If the light undergoes total internal reflection during its travel from medium A to B and the speed of light in media A and B are

2.4\times10^8

m/s and

2.7\times10^8

m/s, respectively, then the value of critical angle is :

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JEE Main 2026 Optics Question with Solution (23 Jan Morning shift, Q26) | JEE Arc