focal length of convex lens is 50 cm .if an object is kept at a distance of 75 cm.find image distance and magnification
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Answer: v= 150 cm
Magnification = +2
Explanation:
f= 50cm and v=75cm
1/v - 1/u = 1/f
Solve for v
V= 150cm
Magnification = v/u
= 150/75
=2
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