1.

A convex mirror offocal length fforms an image which is 1/n times the object. The distance of the object from the mirror is:

Answer»

(n-1)FF
`((n-1)/n)F`
`((n+1)/n)f`
(n+1)f

Solution :By using `m=f/(f-U)`
Here `m=+1/n, f to +f`
So, `+ 1/n= (+f)/(+f-u) IMPLIES u=-(n-1)f`


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