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A convex mirror of focal length ‘f’ forms an image which is 1/n times the object.the distance of the object from the mirror is?

A convex mirror of focal length ‘f’ forms an image which is 1/n times the object.the distance of the object from the mirror is?

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2 Answers

KAPIL MANDAL
132 Points
9 years ago
will use the formula, m= f /(f - u)           (1).
HERE, 
m = +(1/n)  ; f = +f ; u= – u . (since mirror is convex).
So, using those, equation (1) becomes,
(1/n) = f /(f+u)    
or, (f+u)=nf
or, u = nf – f
or, u =(n – 1) f. (ans)
 
 
 
vijaya bhaskar reddy
21 Points
6 years ago
thanks for giving the correct answer anna every app is giving the wrong answer andd wasting the time i am proud of using this app askiitians thank u

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