Let `f_(v)` and `f_(r)` are the focal lengths of a convex lens for violet and red lights respectively. If `F_(v)` and `F_(r)` are the focal lengths of a concave lens for violet and red light respectively, then

Options

A. `f_(B)gtf_(R)` and `F_(B)gtF_(R)`
B. `f_(B)ltf_(R)` and `F_(B)gtF_(R)`
C. `f_(B)gtf_(R)` and `F_(B)ltF_(R)`
D. `f_(B)ltf_(R)` and `F_(B)ltF_(R)`

Answer

D