MPSC PYQScienceLightenglish
33) Find the speed of light in medium "A" if incident rays fall at an angle of 600 and get refracted at an angle of 300 in medium. The speed of light in air is 3×108 m/s. 1) 3×10 8 m/s 2) 4.32 × 10 8 m/s 3) 83 10 m/s 4) 82 10 m/s
A.3×10 8 m/s
B.4.32 × 10 8 m/s
C.83 10 m/s
D.82 10 m/s
Correct answer: C