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				| 1. | A double convex lens, lens made of a material of refractive index \[{{\mu }_{1}}\], is placed inside two liquids or refractive indices \[{{\mu }_{2}}\] and \[{{\mu }_{3}}\], as shown. \[{{\mu }_{2}}>{{\mu }_{1}}>{{\mu }_{3}}\]. A wide, parallel beam of light is incident on the lens from the left. The lens will give rise to | 
| A. | A single convergent beam | 
| B. | Two different convergent beams | 
| C. | 20, 6 kW, 16.7 m mho | 
| D. | A convergent and a divergent beam | 
| Answer» E. | |