A concave lens has focal length of 25cm. At what distance should the object from the lens be placed so that it forms an image at 20cm distance from the lens?Also find the magnification produced by the lens.
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Answered by
10
-100cm is the object distnce +0.2 is the magnification
prabhullaeb:
Can you give the steps too...
f= -25 CM v = -20 CM u=? nw apply formula 1/v-1/u=1/f
n magnification=v/u
Thank you
wlcm
Answered by
28
The distance at which the object must be kept is -100cm. And magnification is 1|5.
Here is your answer hope it helps u.
Here is your answer hope it helps u.
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