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...