Table of Contents
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Choose the correct options for the following questions.
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How is the image formed by a convex lens affected if the upper half of the lens is covered with a paper:
Difficulty: Easy
If the focal length of a convex lens is 5 cm, then to get real and inverted image of the same size as that of object, the object should be placed at:
Difficulty: Easy
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The ratio of the diameters of two convex lenses is ______ the ratio of their focal lengths
Difficulty: Easy
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