Question

what do you mean by I and O in the following picture​

Answer 1

I/O

Image distance / object distance

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Answer 2

#answerwithquality    

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❣️​Here is your answer.. :)

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I - Image distance

O - object distance

Explanation:

Magnification (m) = h/h’  

And h’ is the image height and h is the object height.

Magnification can also be related to the image distance and object distance; therefore it can also be written as:

m = -v/u

Where v is the image distance and u is the object distance.

Hence, the expression for magnification (m) becomes:

m = h’/h = -v/u = I/O

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