IN THE CASE OF RAY TRACING OF LENS WHY DON'T WE SHOW THE TWO DEFLECTIONS .
Asked by akash.verma | 5th Jun, 2008, 08:51: PM
this is because the thickness of the lens is very small and the deflection faced by the ray is also very small.
Answered by | 16th Jul, 2008, 05:27: PM
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