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Free download in PDF Class 11 Maths Chapter 12 Introduction to Three Dimensional Geometry Multiple Choice Questions and Answers for Board, JEE, NEET, AIIMS, JIPMER, IIT-JEE, AIEE and other competitive exams. MCQ Questions for Class 11 Maths with Answers were prepared based on the latest exam pattern. These short solved questions or quizzes are provided by Gkseries./p>
(1)
L is the foot of the perpendicular drawn from a point (3, 4, 5) on x-axis. The coordinates of L are
[A]
(3,0,0)
[B]
(0,4,0)
[C]
(0, 0, 5)
[D]
none of these
(2)
L is the foot of the perpendicular drawn from a point P(3, 4, 5) on the xy-plane. The coordinates of point L are
[A]
(3,0,0)
[B]
(0,4,5)
[C]
(3, 0, 5)
[D]
none of these
(3)
If a parallelepiped is formed by planes drawn through the points (5,8,10) and (3, 6, 8) parallel to the coordinate planes, then the length of diagonal of the parallelepiped is
[A]
2√3
[B]
3√
[C]
√2
[D]
√3
(4)
The locus of a point for which x = 0 is
[A]
xy-plane
[B]
yz-plane
[C]
zx-plane
[D]
None of these
(5)
The locus of a point for which y = 0, z = 0 is
[A]
equation of x-axis
[B]
equation of y-axis
[C]
equation at z-axis
[D]
none of these
Answer: equation of x-axis
(6)
A plane is parallel to yz-plane so it is perpendicular to
[A]
x-axis
[B]
y-axis
[C]
z-axis
[D]
none of these
(7)
The point (-2, -3, -4) lies in the
[A]
First octant
[B]
Seventh octant
[C]
Second octant
[D]
Eighth octant
(8)
Equation of Y-axis is considered as
[A]
x = 0, y = 0
[B]
y = 0, z = 0
[C]
z = 0, x = 0
[D]
none of these
(9)
x-axis is the intersection of two planes
[A]
xy and xz
[B]
yz and zx
[C]
xy and yz
[D]
none of these
(10)
If the distance between the points (a,0,1) and (0,1,2) is √27, then the value of a is
[A]
5
[B]
± 5
[C]
-5
[D]
none of these
(11)
Distance of the point (3,4, 5) from the origin (0, 0, 0) is
[A]
√50
[B]
3
[C]
4
[D]
5
(12)
What is the length of foot of perpendicular drawn from the point P(3,4, 5) on y-axis?
[A]
√41
[B]
√34
[C]
5
[D]
None of these
(13)
The distance of point P(3,4, 5) from the yz-plane is
[A]
3 units
[B]
4 units
[C]
5 units
[D]
550
(14)
L is the foot of the perpendicular drawn from a point (3, 4, 5) on xaxis. The coordinates of L are
[A]
(3,0,0)
[B]
(0,4,0)
[C]
(0, 0, 5)
[D]
none of these
(15)
L is the foot of the perpendicular drawn from a point P(3, 4, 5) on the xy-plane. The coordinates of point L are
[A]
(3,0,0)
[B]
(0,4,5)
[C]
(3, 0, 5)
[D]
none of these
(16)
The locus of a point for which x = 0 is
[A]
xy-plane
[B]
yz-plane
[C]
zx-plane
[D]
none of these
(17)
The locus of a point for which y = 0, z = 0 is
[A]
equation of x-axis
[B]
equation of y-axis
[C]
equation at z-axis
[D]
none of these
Answer: equation of x-axis
(18)
A plane is parallel to yz-plane so it is perpendicular to
[A]
x-axis
[B]
y-axis
[C]
z-axis
[D]
none of these
(19)
The point (-2, -3, -4) lies in the
[A]
First octant
[B]
Seventh octant
[C]
Second octant
[D]
Eighth octant
(20)
Equation of Y-axis is considered as
[A]
x = 0, y = 0
[B]
y = 0, z = 0
[C]
z = 0, x = 0
[D]
none of these
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