TS EAMCET · Physics · Ray Optics
The two lenses of an achromatic doublet should have
- A equal powers
- B equal dispersive powers
- C equal ratio of their power and dispersive power
- D sum of the product of their powers and dispersive power equal to zero
Answer & Solution
Correct Answer
(C) equal ratio of their power and dispersive power
Step-by-step Solution
Detailed explanation
The two lenses of an achromatic doublet should have, sum of the product of their powers and dispersive power equal to zero.
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