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25. An object is placed at a distance of 2f in front of a concave mirror of focal length f. Themagnification produced is(a) 2(b) 1 |
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Answer» U=-2f V=? 1/u+1/v=1/f 1/-2f + 1/v = 1 /f 1/v= 1/f + 1/2f V = 2f/3 Now, m=-v/u =-2f/3*-2f =1/3 |
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