Question

Critical angle for light going from medium (i) to (ii) isq. The speed of light in medium (i) is v, then speed in medium (ii) is–

• A. v(1 – cosq)
• B. v/sinq
• C. v/cosq
• D. v(1 – sinq)

Answer 1

Answer: (B)

v/sinq

Answer 2

=$\frac { 1 } { \sin \theta }$ so v₂ =