Question

13. A lens that has convex surface at one side and concave surface at another side be-
a) convergent lens when the radius of curvature of convex surface is greater than that of
concave surface
b) divergent lens when the radius of curvature of concave surface is greater than that of
convex surface
c) convergent lens when the radius of curvature of convex surface is less than that of
concave
d) divergent lens when the radius of curvature of concave surface less than that of convex
surface
1) a, b are true 2) a, d are true 3) c d are true 4) b.c are true
please give the answer with a reasonable answer​ and Also its physics

Answer 1

Answer:

a,d are true

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Answer 2

Answer:

Answer : this equation is according to me is option 2.a.d are true.