RAY OPTICS AND OPTICAL INSTRUMENTS QUESTIONS HAVE BEEN ASKED ONE TIME SL. QUESTIONS M.M. YEAR NO. 1 An object is held at the principal focus of a concave lens 1 2008 of focal length f. Where is the image formed? 2 A converging lens is kept co-axially in contact with a 1 2010
RAY OPTICS AND OPTICAL INSTRUMENTS QUESTIONS HAVE BEEN ASKED ONE TIME SL. NO. QUESTIONS M.M. YEAR 1 An object is held at the principal focus of a concave lens of focal length f. Where is the image formed? 1 2008 2 A converging lens is kept co-axially in contact with a 1 2010
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