If a magnification of, –1 (minus 1) is obtained by using a converging lens, then the object has to be placed
(a) within f
(b) at 2f
(c) beyond 2f
(d) at infinity
Answers
If a magnification of, –1 (minus 1) is obtained by using a converging lens, then the object has to be placed (b) at 2f
Explanation:
When an object is positioned at 2f the size of the shaped image will be equal to the object's dimension. Hence we get a 1 Magnification.
Magnification is nothing but the rise ( or reduce ) in the intensity of an optical device image compared with the true size. Symmetric magnification is the most widely considered type of magnification, although angular magnification is also found sometimes.
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