Question

In order to obtain a magnification of, -1.5 with a concave mirror of focal length 20 cm, the object will have to be placed at a distance :; A. between 6cm and 20 cm; B. between 40 cm and 20 cm; C. between 48 cm and 40 cm; D. beyond 64 cm

Answer 1

Answer:

000000000000000000000