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Grade 12th passWave Optics

what is the focal length of the one sided silvered lens if the first side i.e. is the incident side is only silvered.

Profile image of aditya
8 Years agoGrade 12th pass
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1 Answer

Profile image of Arun
ApprovedApproved Tutor Answer8 Years ago
For Plano convex lens with one side silvered
Basically the real net equation for the final focal length of mirror is based on net power:
Pnet( equivalent mirror) = 2 P (lens) + P (mirror)
-1 /f (equivalent mirror) = 2 /f (lens) - 1/mirror
 
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Arun (askIITians forum expert)