Which of the following point(s) always lie(s) on the principal axis of a lens?
(i) Point of refraction
(ii) Optical Centre
(iii) Point of incidence
1
Only (i)
2
Both (i) and (ii)
3
Both (i) and (iii)
4
Only (ii)
Which of the following point(s) always lie(s) on the principal axis of a lens?
(i) Point of refraction
(ii) Optical Centre
(iii) Point of incidence