The graph shows how the magnification m produced by a thin lens varies with image distance v . The focal length of the lens used is

Question

The graph shows how the magnification m produced by a thin lens varies with image distance v . The focal length of the lens used is, b c, a c, b 2 c a, b 2 a c

MARKS App · Accepted Answer

For a thin lens, m = 1 - v f From the above equation, slope of the line is 1 f c b = 1 f f = b c

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