Ray Optics and Optical Instruments

Question: The power of an achromatic convergent lens of two lenses is $+ 2D$. The power of convex lens is $+ 5D$. The ratio of dispersive power of convex and concave lens will be

1) $5 : 3$

2) $3 : 5$

3) $2 : 5$

4) $5 : 2$

Solution:

Explanation: No Explanation

Refraction at Curved Surface

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