Math, asked by iironman01ozsy92, 1 year ago

a convex lens of focal length 10cm is placed at distance of 12cm from a wall.How far from the lens should an object be placed so as to form its real image on the wall ?

Answers

Answered by sikchisurajp00iq5
4
F=10CM
V=12CM
U=?
1/F=1/U+1/V
1/U=-1/121/10
1/U=-10+12/120
U=60CM
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