1.

Adding 2î + 7ĵ and î + ĵ gives ______(a) 3î + 8ĵ(b) î + 35ĵ(c) î + 8ĵ(d) 2î + 7ĵI have been asked this question in an interview.This key question is from Vector Addition topic in portion Motion in a Plane of Physics – Class 11

Answer»

The CORRECT choice is (a) 3î + 8Ĵ

To EXPLAIN I would say: When 2î + 7ĵ is added to î + ĵ, the corresponding components get added. Hence, the ANSWER is 3î + 8ĵ.



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