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) \[{{n}_{1}}>{{n}_{2}}\]