8. The focal length of lens depends on 1 point
(a) The radii of curvature of its surfaces
(b) The refractive index of its material
(c) The refractive index of the mediumsurrounding
(d) All of the these factors
no spamming
no irrelevant answers
otherwise i will report u
(a) The radii of curvature of its surfaces
(b) The refractive index of its material
(c) The refractive index of the mediumsurrounding
(d) All of the these factors
no spamming
no irrelevant answers
otherwise i will report u
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Answer:
option d all of the above bro.
Answer:
d is right .all of the these factors