1.

A convex mirror has radius of curvature of 20 cm. An object is placed at such a distance from the mirror that the size of image is exactly half that of the object. The object must be at :-A. 20 cmB. 30 cmC. 10 cmD. 40 cm

Answer» Correct Answer - C
f=10 , `m=f/(f-u)`
`m=1/2 rArr u=-10`


Discussion

No Comment Found

Related InterviewSolutions