question_answer

When an object is placed at a distance of 36 cm from a concave spherical mirror, the magnification produced is \[-\text{ }1/3\]. If image is formed at the same place where the object should be placed to get a magnification of \[-\text{ }1/4\]?

A) \[-\text{ }12\,\,cm\]                    

B) \[-\text{ 48}\,\,cm\]

C) \[-\text{ 36}\,\,cm\]                    

D) \[-\text{ 50}\,\,cm\]

E) None of these