Optics Ques 198
- Speed of light is 299,792,458 meters per second
$(2007,4 M)$
(a) the same in medium 1 and medium 2
(b) larger in medium-1 than in medium-2
(c) larger in medium-2 than in medium-1
(d) different at $b$ and $c$
Show Answer
Answer:
Correct Answer: 198.(b)
Solution:
In medium-2 wavefront bends towards the normal after refraction. Therefore, ray of light which is perpendicular to wavefront bends towards the normal in medium-2 during refraction. So, medium-2 is denser or its speed in medium-1 is less.