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Class 11 Mathematics Chapter 12 Introduction To Three Dimensional Geometry Quiz 2 (25 MCQs)

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1. What is the significance of direction ratios in three-dimensional geometry?
2. Distance between the two planes:2x + 3y + 4z = 4 and 4x + 6y + 8z = 12 is
3. What is a diagonal?
4. If the lines $\frac{x-1}{-3}=\frac{y-2}{2k}=\frac{z-3}{2}$ $\frac{x-1}{3k}=\frac{y-1}{1}=\frac{z-6}{-5}$
5. Find direction cosines of Z-axis
6. The coordinates of a point are (3, 0, 0), the point lies on
7. The point (-1, 2, -3 ) lies in the:
8. Find the image of the point in the specified plane:(-3, 4, 7) in the YZ-plane
9. Find the circumference of a circle that has a radius of 3ft.
10. L is the foot of the perpendicular drawn from a point (3, 4, 5) on x-axis. The coordinates of L are
11. Which are the examples of objects in cone shape?
12. A plane is parallel to xy plane so it is perpendicular to
13. Which of the following nets can be folded to form a cube? a) b) c)
14. What is the relationship between direction cosines and direction ratios?
15. The point is in the XZ plane. What can you say about its y-coordinate?
16. How many vertices does a cone have?
17. Which of the following sets of three angle measures could be used to construct a triangle?
18. Identify the net of a cylinder from the given options:a) b) c)
19. Find the distance of the point (2, 3, -5) from the plane x + 2y-2z = 9
20. How many sides does the rectangle have?
21. The distance of a point (2, 5, 7) from X axis is
22. In which 2D shape, we can draw diagonals?
23. Find the image of (-2, 3, 4) in the y z plane.
24. A point is in the XZ-plane. Then its y-coordinate is
25. I am a 3D shape, I have one flat and one curved face. I have a curved edge and no corner. My highest tip is called an apex. Who am I?
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