Subject :NSO Class : Class 7
A light ray travels through three mediums as shown
in the figure. Which of the following shows them in
ascending order of their refractive index?
A Medium 1, medium 2, medium 3
B Medium 2, medium 3, medium 1
C Medium 3, medium 1, medium 2
D Medium 1, medium 3, medium 2
Ans 1:
Class : Class 7
ANSWER IS A