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Find the value of p for which the line t...

Find the value of `p `for which the line through the points `A(4, 1, 2)` and `B(5,p,0)` is perpendicular to the line through the points `C(2, 1, 1) `and `D(3, 3,-1).`

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
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MARVEL PUBLICATION-THREE DIMENSIONAL GEOMETRY-MULTIPLE CHOICE QUESTIONS
  1. If P is (-1,1,2) , then direction cosines of line OP are

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  2. Direction cosines of the line passing through A(2,3,-1)and B(-3,-4,2) ...

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  3. Find the value of p for which the line through the points A(4, 1, 2) a...

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  4. Given P = (3,-6,10)and PQ = sqrt(17) . If direction cosines of line PQ...

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  5. If l,m,n are direction cosines of a line , then vector li +mj+nk is a

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  6. If |bar(u)| = sqrt(3) and bar(u) is equally inclined to co - ordinate...

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  7. If |bar(u)|=2 and bar(u) makes angles of 60^(@) and 120^(@) with OX a...

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  8. If a line makes angles theta(1), theta(2), theta(3) with the coordinat...

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  9. Find the angle between the lines whose direction ratios are: 2,-3,4 ...

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  10. If bar(a),bar(b),bar (c ) are pair wise mutually perpendicular vectors...

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  11. If direction ratios of two lines are 2,-6,-3 and 4,3,-1 then directi...

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  12. A line makes 45^(@) with OX and equal angles with OY and OZ .Then the ...

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  13. What is the angle between the two lines whose direction numbers are (s...

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  14. If the line of the vector bar (r ) = lambda I + 2j - k makes angles a...

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  15. The number of lines which are equally inclined to the axes is :

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  16. The projection of the line segment joining the points A(-1,0,3) and B(...

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  17. Direction Cosines of a normal to the XOY - plane are

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  18. If the direction cosines of a line are 1/c,1/c,1/c rthen (A) c.0 (B) 0...

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  19. A mirror and a source of light are situated at the origin O and at a...

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  20. The direction Cosines of two lines at right angles are l(1),m(1),n(1)a...

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