Question

explain the following terms related spherical lenses. with digram
(a) optical centre (b) centres of curvature
(c) principal focus (d) aperture
(e) principal axis (f) focal length​

Answer 1

This is the answer of your question.. Go and check it thoroughly..

Answer 2

■a■

the centre point of a lens located on the principal axis is called optical centre

■b■

a line passing through the centre of curvature and the optical centre is called principal axis

■c■

a point on the principal axis where all the rays incident parallel to the principal axis either actually converge or appear to diverge from it called principal focus

■d■

the diameter of lens is called aperture ...

■e■

the distance between the optical centre and the principal focus is defined as focal length ...

hope its helpful pls mark as brainliest