MPSC PYQScienceLightenglish
15 - 18 Ganesh has a concave mirror of focal length 15 cm. He wants to make a 10 cm inverted image of an object placed at 30 cm. 15) at what distance should he place the screen ? 1) 15cm 2) 30cm 3) 45cm 4) 10cm
A.15cm
B.30cm
C.45cm
D.10cm
Correct answer: B