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.In the displacement method of measuring the focal length of a convex lens, the length of the images in the two positions of the lens between the object and the screen is 9cm and 4cm respectively. The length of the object is a) 6.25 cm b) 1.5 cm c) 6 cm d) 36 cm

.In the displacement method of measuring the focal length of a convex lens, the length of the images in the two positions of the lens between the object and the screen is 9cm and 4cm respectively. The length of the object is a) 6.25 cm b) 1.5 cm c) 6 cm d) 36 cm

Grade:upto college level

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
11 months ago
Dear student

The answer is c

Regards

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