A concave mirror of focal length forms an image having twice the linear dimensions of the object. The position of the object when the image is virtual will be |
|||||||
a) |
22.5 |
b) |
7.5 |
c) |
30 |
d) |
45 |
A concave mirror of focal length forms an image having twice the linear dimensions of the object. The position of the object when the image is virtual will be |
|||||||
a) |
22.5 |
b) |
7.5 |
c) |
30 |
d) |
45 |
(b) [Positive because image is virtual] . By using mirror formula |