In an experiment with a convex lens. The plot of the image distance (v') against the object distance ( 
') measured from the focus gives a curve v' 
' = 225. If all the distances are measured in cm. The magnitude of the focal length of the lens is _______ cm.
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(15)
vu = f 2 (by Newton's formula)
f 2 = 225
f=15cm
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