Question

5. Relationship between focal length and
radius of curvature is
Full Marks : 1
-R=2/f
-f=R/2
-2f=R
-ALL OF THESE​

Answer 1

Answer:

-f=R/2

Explanation:

because

R=2f

therefore,f=R/2

Answer 2

Answer:

R=2/f

Explanation:

since ,

f=2R

therefore,

R=2/f

Hope my answer helped ✌