Question

define the magnifcation of a mirror, A concave mirror produce three magnified real image of an object placed at 10 CM in front of it. where is the image located. ​

Answer 1

Answer:

Given :-   U = -10cm as we know object is always on left  , therefore -ve sign]  

 

Therefore m -3  

As , m = -v/u  

Therefore -v/u = -3

-v / -10 = -4  

12 x (-4)  by cross multiplication

V = -30

Explanation: