Optics 7 Question 24

24. Speed of light is

$(2007,4 M)$

(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 $d$

Match the Columns

Show Answer

Solution:

  1. In medium-2 wavefront bends away from 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 more.



NCERT Chapter Video Solution

Dual Pane