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If a line lies in the octant OXYZ and it...

If a line lies in the octant OXYZ and it makes equal angles with the axes, then

A

`l = m = n = (1)/(sqrt3)`

B

`l = m = n = (pm1)/(sqrt3)`

C

`l = m = n = (-1)/(sqrt3)`

D

`l = m = n = (pm 1)/(sqrt2)`

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The correct Answer is:
A
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NEW JOYTHI PUBLICATION-VECTOR ALGEBRA-OBJECTIVE TYPE QUESTIONS
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  2. If the vector 8 hat i + a hat j of magnitude 10 is in the direction of...

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  5. If the projections of vec(PQ) on OX , OY OZ are respectively 12, 3 and...

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  6. The unit vector in the direction of the sum of vectors hat i + hat j +...

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  7. If the points A and B are (1, 2, -1) and (2, 1, -1) respectively then ...

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  8. If |vec a| = 4 and -3 le lambda le 2 then the range of |lambda vec a|

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  9. If vec a and vec b are two unit vectors and theta is the angle between...

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  10. If the vectors 3 hat i + lambda hat j + hat k and 2 hat i - hat j + 8 ...

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  11. Let veca and vec b be two unit vectors such that angle between them i...

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  12. The two variable vectors 3x hat i + y hat j - 3 hat k and x hat i - 4 ...

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  13. Consider the vectors veca = hat i + 3 hat j + hat k and vec b = 2 hat ...

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  14. If |vec a| = 3, | vec b| = 4, then the value of lambda for which vec ...

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  15. If vec a and vec b are two non -zero vectors, then (vec a + vec b) .(v...

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  16. vec a .(vec b + vec c) is equal to

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  17. If vec a = hat i + 2 hat j - 3 hat k and vec b = 3 hat i - hat j + 2 h...

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  18. If vec a and vec b are non - zero vectors and |vec a+ vec b| = |vec a ...

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  19. The projection of the vector hat i + hat j + hat k along the vector ha...

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  20. A unit vector perpendicular to the vectors veca = 2 hat i - 6 hat j - ...

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