Question

A spherical mirror and thin spherical lens have each of focal length of +25cm. The mirror and the lens are likely to be

Answer 1

convex mirror and lens

Answer 2

Hey dear,

● Answer -
Convex mirror & convex lens

◆ Convex mirror -
- Also known as diverging mirror.
- Convex mirror reflects light outwards.
- Focal length of convex mirror is positive.

◆ Convex lens -
- Also known as converging lens.
- Convex lens converges the refracted rays at principal focus.
- Focal length of convex lens is positive.

◆ Extra information -
- Concave mirror has negative focal length.
- Cancave lens has negative focal length.

Hope this helps you...