How far should one hold an object from a concave mirror of focal length 20cm so as to get an image twice the size of the object
Answers
Answered by
0
Answer:
How far should we hold an object from a concave mirrow of focal length 40cm so as to get a virtual image twice the size of the object? 2u because the magnification is 2, minus because it is a virtual distance, to a virtual image, behind the mirror.
Similar questions