Recent content by alexshr

w1 and w2 are the dispersive power of the lenses. The question states that The combination satisfies the condition for no chromatic aberration and minimum speherical aberration, may be I understood it wrongly as achromatism question. @andy: Can you please guide me how this question should be...

Hello guys, First of all this is not a homework. I am preparing for my exams and this question was asked in my previous exams so I tried to solve this question myself, I have tried to solve this numerical by myself, but couldn't get the answers right. So, I am posting this question here, in...