Find the value of m
Asked by venkat
1st March 2018,
12:51 PM
Answered by Expert
Answer:
as illustrated in the diagram, light rays originating from point source upto critical angle are refracted and above critical angle total internal reflection takes place. Hence the refracted rays will be seen as circular spot, when viewed from top.
Using spherical coordinates, the area of the spot is given by
as per the question, m = ( 250π)/3 sq.cm
Answered by Expert
1st March 2018,
2:37 PM
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