sir i didnt understand the cases of critical angle as well as their diagrams 
 

Asked by rajkoth20002 | 20th Jul, 2017, 10:51: PM

Expert Answer:

Dear rajkoth20002@gmail.com

Thanks for asking us a question in Ask the Expert section of TopperLearning.com.

You can refer the following link to our topic notes for the same. And if you have any particular or specific doubt in understanding the concept then please feel for to post your query.
 
LINK:
http://www.topperlearning.com/study/icse/class-10/physics/revision-notes/refraction-of-light-at-plane-surfaces/total-internal-reflection/b110c2s4e21ch324t950
 
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Topperlearning Team.

Answered by Yashvanti Jain | 21st Jul, 2017, 10:22: AM