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If the magnitude of sum of two vectors i...

If the magnitude of sum of two vectors is equal to the magnitude of difference of the two vector, the angle between these Vector is

A

The vectors are parallel

B

the vectors are perpendicular

C

the vectors are anti-parallel

D

the vectors must be unit vectors

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The correct Answer is:
B
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PUNEET DOGRA-VECTOR-Prev Year Questions
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  2. If the magnitude of sum of two vectors is equal to the magnitude of di...

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  3. Simplify:- [(7)^2 + (9)^2]/5 = ?

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  4. Consider the following statements: 1. The magnitude of vec(a) xx vec...

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  5. If vec(a) and vec(b) are unit vectors and theta is the angle between t...

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  6. If vec(a)= hat(i) - 2hat(j) + 5hat(k) and vec(b) = 2hat(i) + hat(j) -3...

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  7. If position vectors of two points A and B are 3hat(i)- 2hat(j) + hat(k...

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  8. In a right angled triangle hypotenuse AC= p, then vec(AB). vec(AC ) + ...

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  9. Find th esine of angles between vectors vec(a)= 2hat(i) - 6hat(j) - 3h...

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  10. Find the value of lamda for which 3hat(i) + 4hat(j) - hat(k) and -2 ha...

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  11. In a triangle ABC, if taken in order, consider the following statement...

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  12. A spacecraft at hat(i) + 2hat(j) + 3hat(k) is subjected to a force la...

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  13. What is (vec(a)- vec(b)) xx (vec(a) + vec(b)) equal to ?

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  14. Let vec(a).vec(b) and vec(c ) be three mutually perpendicular vectors ...

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  15. If |vec(a) | = 3, |vec(b)|= 4 and |vec(a)- vec(b)|=5, then what si the...

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  16. A unit vector perpendicular to each of the vectors 2hat(i) - hat(j) + ...

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  17. If vec(r )= x hat(i) + y hat(j) + z hat(k), then what is vec(r ). (ha...

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  18. Let |vec(a)| # 0.|vec(b)| ne 0 (vec(a) + vec(b)). (vec(a) + vec(b)) = ...

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  19. If the vectors vec(k) and vec(A) are parallel to each other, then what...

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  20. if vec(a) + 2vec(b) + 3vec(c ) = 0 and vec(a) xx vec(b) + vec(b) xx ve...

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