Question

if u is object distance,v is image distance and f is focal length then correct formula relating this:
a.) 1/v+ 1/u = 1/f
b.)1/v - 1/u = 2/r
c.)1/u +1/v = 2/r
d.)none of these​

Answer 1

The correct answer of this question is option d) none of these

Step-by-step explanation:

This is because the correct formula relating these three is 1/v - 1/u = 1/f