Question

pls explain step by step plsss ​

Answer 1

Answer:

It is lens formula

Explanation:

f here stands for Focal length

u = distance of object from lens

v = distance of image from lens

Answer 2

Explanation:

kinjutinju bajahkfdhfxfyxygvbgxfhcjviudtgjmsvkfucchjcvhk