Question

a concave mirror produces three times magnified real image of an object placed at 10 cm in front of it where is the image located​

Answer 1

$given \: u = - 10 \:and \: m = 3$

$to \: find: v =?$

$we \: know \: that \: m = \frac{ v}{u}$

$putting \: the \: value$

$\implies3 = \frac{ v}{ - 10}$

$\implies \: 3 \times - 10 = v$

$\implies - 30 = v$

Hope its help u.

Answer 2

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