a point o is placed on the principal axis of a convex lens of focal length 20cm at a distance of 40cm to the left of it. the diameter of the lens is 10cm. if the eye is placed 60cm to the right of the lens at a distance h below the principal axis. what will be the maximum value of h to see the image?
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if the focal length is 20cm.. how can the diameter of same lens 10cm..
Mahindra5:
the question is that way...see the pic above... however the back answer is 2.5cm...
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