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The vector 2 hat(j)-hat(k) lies :...

The vector `2 hat(j)-hat(k)` lies :

A

in the plane of XY

B

in the plane of YZ

C

in the plane of XZ

D

along the X-axis

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The correct Answer is:
B
The vector `2 hat(j)-hat(k)` lies in the plane of YZ.
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NDA PREVIOUS YEARS-VECTORS -MATH
  1. What is the value of lambda for which (lambda hat(i)+hat(j)-hat(k))x...

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  2. The magnitude of the scalar p for which the vector p(-3hat(i)-2hat(j)+...

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  3. The vector 2 hat(j)-hat(k) lies :

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  4. ABCD is a parallelogram . If vec(AB)=vec(a), vec(BC)=vec(b), then what...

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  5. If vec(beta) is perpendicular to both vec(alpha) and vec(lambda) where...

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  6. For any vector vec(alpha), what is (vec(alpha). hat( i)) hat(i)+(vec(a...

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  7. If the magnitudes of vec(a) xx vec(b) equals to vec(a). vec (b), then...

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  8. If |vec(a)|=sqrt(2), |vec(b)|=sqrt(3) and |vec(a)+vec(b)|=sqrt(6), the...

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  9. Which one of the following vectors is normal to the vector hat(i)+hat...

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  10. If theta is the angle between the vectors is 4( hat(i)- hat(k)) and h...

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  11. If the angle between the vectors hat(i)- m hat(j) and hat(j) + hat(k) ...

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  12. What is the vector perpendicular to both the vectors hat(i)-hat(j) and...

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  13. The position vectors of the points A and B are respectively 3hat(i)-5h...

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  14. If the vectors hat(i)-2 x hat(j)-3yhat(k) and hat(i)+3xhat(j)+2yhat(k)...

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  15. What is the value of P for which the vector p(2hat(i)-hat(j)+2hat(k)) ...

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

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  17. The vertices of a triangle ABC are A (2,3,1) , B(-2, 2,0), and C(0,1,-...

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  18. The vertices of a triangle ABC are A (2,3,1) , B(-2, 2,0), and C(0,1,-...

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  19. The vertices of a triangle ABC are A (2,3,1) , B(-2, 2,0), and C(0,1,-...

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  20. Consider the vectors bar(a)=hat(i)-2hat(j)+hat(k) and bar(b)=4hat(i)-4...

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