the distance between an object and it\'s image is fixed at 62 cm. A converging l
ID: 1600746 • Letter: T
Question
the distance between an object and it's image is fixed at 62 cm. A converging lens of focal length 9.0 cm forms a sharp image for two positions of the lens. What is the distance between these two positions? the distance between an object and it's image is fixed at 62 cm. A converging lens of focal length 9.0 cm forms a sharp image for two positions of the lens. What is the distance between these two positions? the distance between an object and it's image is fixed at 62 cm. A converging lens of focal length 9.0 cm forms a sharp image for two positions of the lens. What is the distance between these two positions?Explanation / Answer
According to the given problem,
By using the equation,
a2 =L2 - 4Lf
a =(622 - (4*62* 9))0.5
a = 40.15 cm
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