14.A convex lens of focal length 20 cm and a concave lens of focal length 5 cm are kept along the same axis with distance d between them. What is the value of d so that a parallel beam of light incidents on convex lens and leaves the concave lens as a parellel beam ?

Open in App

Solution

Suggest Corrections

Similar questions

A convex lens A with a focal length of 20 cm and a concave lens B with a focal length of 5 cm is kept along the same axis with the distance d between them. If a parallel beam of light falling on A leaves B as a parallel beam, then distance d in cm will be

Q. A convex lens A of focal length 20 cm and a concave lens B of focal length 5 cm are kept along the same axis with the distance d between them. If a parallel beam of light falling on A leaves B as a parallel beam, then distance d in cm will be

Q. A convex lens of focal length 20 cm and a concave lens of focal length

f

are mounted coaxially 5 cm apart. Parallel beam of light incident on the convex lens emerges from the concave lens as a parallel beam. Then

f

in cm is:

A convex lens A of focal length 20 cm and a concave lens B of focal length 5 cm are kept along the same axis with a distace d between them. If a parallel beam of light falling on A leaves B as a parallel beam, then d is equal to
(IIT-JEE 1985)

Join BYJU'S Learning Program