Question

Define focal power of a spherical mirror or lense

Answer 1

Answer:

It is the degree to which the lens or mirror diverges or converges a light

Answer 2

Answer:

Focal power of a spherical mirror or lens:It is the degree to which a lens or mirror diverges or converges a light. Or. Power of a lens or mirror is defined as reciprocal of focal length of a mirror or lens. If the focal length is large then the power of lens or mirror is small.