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Magnification = height of the image / height of the object = v / u = 150 / 6.5 = 900 / u u = 39 cm (distance from slide to the lens). m = 23.09
1 / f = 1 / u + 1 / v = 1 /39 + 1 / 90 = 0.02564 + 0.00111 1 / f = 0.02675 (reciprocal tables)
f = 37.4 cm
Mutiso answered the question on October 15, 2018 at 18:04
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