JEE Main 2012 — Ray Optics Question with Solution
JEE Main 2012 (Offline)
Question
An object in front of a lens forms a sharp image on a film behind the lens. A glass plate thick, of refractive index is interposed between lens and film with its plane faces parallel to film. At what distance (from lens) should object be shifted to be in sharp focus on film?
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Case , by Lens formula
Case : (normal shift )
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This is a previous-year question from JEE Main 2012, covering the Ray Optics chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.