5) An object is placed 10 cm from a convex lens of focal length 20 cm. What is the lateral magnification of the object

The lateral magnification of the object is

Explanation:

From the question we are told that

   The object distance is

   The focal  length is  

Generally from the lens formula

Here v is the image distance

 So

=>  

=>    

=>    

Generally the lateral magnification is mathematically represented as

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