an object is placed at a distance of 30 cm from a convex lens of focal length 20 cm find the magnification of the image formed
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the magnification of the image formed is 0.0005
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u= -30cm
f= 20cm
1/f= 1/v - 1/u
1\v= 1/60
v= 60cm
m= -v/u
-60/30
m= -2
f= 20cm
1/f= 1/v - 1/u
1\v= 1/60
v= 60cm
m= -v/u
-60/30
m= -2
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