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12th Class Physics Ray Optics Question Bank Ray Optics Conceptual Problems

  • question_answer
    A convex lens made of material of refractive index \['{{n}_{2}}'\] is held in a reference medium of refractive index \['{{n}_{1}}'\]. Trace the path of a parallel beam of light passing through the lens when (i) \[{{n}_{1}}={{n}_{2}},\] (ii) \[{{n}_{1}}<{{n}_{2}}\] and (iii) \[{{n}_{1}}>{{n}_{2}}\]             

    Answer:

                     The ray diagrams are shown below:                    


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