Question

Definite and explain following terms 1 pole 2 object distance 3 image distance 4 focal length​

Answer 1

Answer:

(v) Principal focus is defined as the point where beam of light parallel to principal axis, either converges or diverges after refraction. (vi) Focal length is defined as the distance between the optical center and principal focus of the lens. The object should be placed at a distance of 16 cm from the lens.

hope it helps uh..✔️

Answer 2

Explanation:

I will try ok broo ❤️ nice