– longitudinal chromatic aberration is given by the expression
A. longitudinal chromatic aberration = Dispersive power Mean focal length
B. Longitudinal chromatic aberration = Dispersive power + Mean focal length
C. Longitudinal chromatic aberration = Dispersive power – Mean focal length
D. Longitudinal chromatic aberration = Dispersive power focal length of red color radiation.
Answer:A
– longitudinal chromatic aberration is given by the expression
A. longitudinal chromatic aberration = Dispersive power Mean focal length B. Longitudinal chromatic aberration = Dispersive power + Mean focal length C. Longitudinal chromatic aberration = Dispersive power – Mean focal length D. Longitudinal chromatic aberration = Dispersive power focal length of red color radiation.