If the magnification produced by a lens is -0.5, the correct statement is :
(a) the lens is concave
(b) the image is virtual
(c) the image is magnified
(d) the image is real and diminshed formed by a convex lens
magnification produced by a spherical lens is +2.5. what is the nature of image and lens
1) the magnification produced by a spherical lens is + 2.5 . What is the 1)nature of the image 2)nature of the lens