Assertion A: If and are four points on a semicircular arc with centre at ' ' such that , then Reason R: Polygon law of vector addition yields In the light of the above statements, choose the most appropriate answer from the options given below: [JEE Main 2021, 27 Jul (Shift 1)]

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YESPYQ · Accepted Answer

Correct answer: d) Both and are correct but is not the correct explanation of .. Polygon law is applicable in both the cases given but the equation given in the reason is not useful in explaining the assertion.

Assertion A: If and are four points on a semicircular arc with centre at ' ' such that , then Reason R: Polygon law of v…

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