Question

14. If a convex lens of focal length 20 cm and a
concave lens of focal length 30 cm are kept in
contact with each other, (i) What will be the
focal length of the combination? (ii) What
will be the power of the combination?
(iii) What will be the behaviour of the
combination ?
5​

Answer 1

Answer:

Is a correct answer dear

Answer 2

Answer:

concave mirror

convex lens

concave lens

convex mirror