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Assertion: Two vectors are said to be eq...

Assertion: Two vectors are said to be equal if , and only if, they have the same magnitude and the same dirction.
Reason: Addition and subtraction of scalars make sense only for quantities with same units.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
Addition and subtraction of scalars make sense only for quantities with same unit. But you can multiply and divide scalars of different units.
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A2Z-VECTORS-Assertion Reasoning
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  5. Assertion: Vector addition is commutative. Reason: Two vectors may b...

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  6. Assertion: The some of two Vectors can be zero. Reason: The vector c...

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  7. Assertion: Minimum number of non-equal Vectors in a plane required to ...

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  8. Assertion: The minimum number of non-coplanar Vectors whose sum can be...

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  9. Assertion: vec(A)xxvec(B) is perpendicualr to both vec(A)-vec(B) as we...

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  10. Assertion: Angle between hat(i)+hat(j) and hat(i) is 45^(@). Reason:...

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  11. Assertion: If |vec(A)+vec(B)|=|vec(A)-vec(B)|, then angle between vec(...

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  12. Assertion: The scalar product of two vectors can be zero Reason: If...

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  13. Assertion: If vec(A).vec(B)= vec(B).vec(C ), then vec(A) may not alway...

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  14. Assertion: If theta be the angle between vec(A) and vec(B), then tan...

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  15. Assertion: Vector product of two vectors is an axial vector. Reason:...

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  16. Assertion: vectau=vec(r)xxvec(F) and vectau!=vec(F)xxvec(r ) Reason:...

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  17. Assertion: If dot product and cross product of vec(A) and vec(B) are z...

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