1.

A concave mirror of focal length `f` produces a real image `n` times the size of the object. What is the distance of the object from the mirror?A. `(n-1)f`B. `(n+1)f`C. `(n+1)f//n`D. `(n-1)g//n`

Answer» Correct Answer - C
`(C) - n = (-f)/(-f-u)` (u coodinate)
`|u|=((n+1)f)/(n)`.


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