Question

For which of the two lenses $L_1$ and $L_2$ the chromatic aberration will be more if the dispersive power of the material of $L_1$ is less than that of $L_2$:

• A. $L_1$
• B. $L_2$
• C. $L_1=L_2$
• D. none of the above

Answer 1

The correct option is B $L_2$

Chromatic aberration of a lens is directly related to its dispersive power that is more the dispersive power, more is chromatic aberration.

Since, dispersive power of $L_2$ is more than $L_1$, chromatic aberration will be more in $L_2$.

Answer-(B)