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Assertion: In displacement method of fin...

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

A

If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.

B

If both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.

C

If both Assertion is true, but the Reason is false.

D

If both Assertion is false but the Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
B
`m_1m_2=1`
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