JEE Main 202311 Apr, Morning shiftPhysicsHardOptics190× since 2002The critical angle for a denser-rarer interface is 45∘45^{\circ}45∘. The speed of light in rarer medium is 3×108 m/s3 \times 10^{8} \mathrm{~m} / \mathrm{s}3×108 m/s. The speed of light in the denser medium is:AOption A. 2.12×108 m/s2 .12 \times 10^{8} \mathrm{~m} / \mathrm{s}2.12×108 m/sBOption B. 5×107 m/s5 \times 10^{7} \mathrm{~m} / \mathrm{s}5×107 m/sCOption C. 2×108 m/s\sqrt{2} \times 10^{8} \mathrm{~m} / \mathrm{s}2×108 m/sDOption D. 3.12×107 m/s3.12 \times 10^{7} \mathrm{~m} / \mathrm{s}3.12×107 m/sCheckSkip · show solution
