A convex lens with a focal length of 12 cm has an objec... | Science Class 10

Science Class 10 Other

Asked by YADNYA SURJEKAR · WISDOM WORLD SCHOOL, HADAPSAR, PUNE

A convex lens with a focal length of 12 cm has an object at a distance of 20 cm in front of the lens. A blurred image is obtained on the screen placed at a distance of 23 cm in front of the lens. In order to obtain a clear image, the screen has to be moved:

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A towards the lens
B away from the lens
C to a position very far away from the lens
D either towards or away from the lens