Question

Which of the following is lens formula?


A

\frac{1}{v}=\frac{u+f}{uf}v1​=ufu+f​         

B

\frac{1}{v}-\frac{1}{u}=\frac{1}{f}v1​−u1​=f1​            

C

\frac{f-v}{fv}=\frac{1}{u}fvf−v​=u1​      

D

All the above lo​

Answer 1

Answer:

Derivation of Lens Formula

Let F be the principle focus and f be the focal length. An object AB is held perpendicular to the principal axis at a distance beyond the focal length of the lens. A real, inverted magnified image A'B' is formed as shown in the figure. ... The above equation is known as the Lens formula.

Explanation:

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