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Ray Optics and Optical Instruments: JEE Mains 2022 June 29 Shift 2

Medium· Refraction and total internal reflection· +4 / −1

The speed of light in media A and B are

2.0\times10^{10}\ \text{cm/s}

and

1.5\times10^{10}\ \text{cm/s}

respectively. A ray of light enters from the medium B to A at an incident angle

\theta

. If the ray suffers total internal reflection, then :

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