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Question : Assertion :- In displacement method of finding focal length of a convex lens, its magnification in a position of lens is -2, then magnification in another position of lens should be -1/2. Reason :- This method can not be applied for concave lens.

Answer»

If both Assertion & REASON are TRUE & the Reason is a correct EXPLANATION of the Assertion.
If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
If Assertion is True but the Reason is False.
If both Assertion & Reason are False.

Answer :B


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