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If a line which makes angle 60^(@) with ...

If a line which makes angle `60^(@)` with Y and Z axes, then the angle which it makes with X-axis is

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`90^(@)`

Text Solution

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The correct Answer is:
B
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NIKITA PUBLICATION-THREE DIMENSIONAL GEOMETRY -MULTIPLE CHOICE QUESTIONS
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  3. If a line which makes angle 60^(@) with Y and Z axes, then the angle w...

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  6. A line makes angles alpha,betaa n dgamma with the coordinate axes. If ...

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  7. If direction angles of a line are alpha, beta, gamma such that alpha+b...

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  8. A line lies in XZ-plane and makes an angle 60^(@) with Z-axis, find i...

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  9. A line lies in YZ- plane and makes angle of 30^(@) with Y-axis, then ...

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  10. If a straight line in space is equally inclined to the co-rodinate axe...

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  11. Which of the following is false ?

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  12. Which of the following is true ?

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  13. If a line makes angles 90^@, 135^@, 45^@ with X,Y and Z axes respectiv...

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  14. The direction cosines of the line which bisects the angle between posi...

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  15. The direction consines of a line equally inclined with the co-ordinate...

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  16. Of line makes angle 60^(@), 120^(@), 45^(@) with X, Y, Z axes respecti...

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  17. If the line makes angles 45^(@), 60^(@), 120^(@) with X, Y, Z axes res...

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  18. The direction cosines of a line which makes an angle of 45^(@) with Z-...

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  19. The direction consines of a line which lies in XZ-plane and making an ...

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  20. If alpha,beta, gamma are the direction angles of a vector and cos alph...

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