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JEE Advanced 2021 Full Test 5 Paper 2

SECTION – B (Single Digit Integer Type)
This section contains 06 questions. The answer to each question is a Single Digit integer ranging from 0 to 9, both inclusive.

Question : 8

Total: 54

A Composite mirror is formed by arranging the upper half of a concave mirror above the lower half of a convex mirror as shown. A real linear object AB is placed on the common principal axis and it is found that images formed by the two halves of the composite mirror are equidistant from the point O. If the radii of curvature of the concave mirror and convex mirror halves are 20cm and 30cm respectively. The distance of the object AB from O is given by xcm then

is:

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