Three Dimensional Geometry  MCQs

MCQs of Three Dimensional Geometry

Showing 71 to 80 out of 188 Questions
71.
The measure of the angle between x + 2y + z = 1 and r¯=(0,0,0) + k(2,1,-1), kR is _____ .
(a) π6
(b) π3
(c) π2
(d) π4
Answer:

Option (a)

72.
The measure of the angle between the planes ax + by + d = 0 and z = 0 (a2 + b2 ≠ 0) is _____ .
(a) π3
(b) cos-1 da2+b2
(c) π4
(d) π2
Answer:

Option (d)

73.
The normal to the plane x + 2y + 3z = 6 is _____ .
(a) (1, -2, 3)
(b) (1, 2, 3)
(c) 114,214,314
(d) None of the above
Answer:

Option (b)

74.
The measure of the angle between the plane r · (1, 2, 1)=1 and the line xy=y1=z-1 is _____ .
(a) π6
(b) π3
(c) π4
(d) None of the above
Answer:

Option (a)

75.
The perpendicular distance between the plane 6x - 3y + 2z = 1 and 12x - 6y + 4z = 21 is _____ .
(a) 6317
(b) 631
(c) 127
(d) 1914
Answer:

Option (d)

76.
The equation of the plane passing through the points (3, 4, 2), (2, 2, -1) and (7, 0, 6) is _____ .
(a) 5x + 2y - 3z - 17 = 0
(b) 5x + 2y - 3z + 17 = 0
(c) 5x + 2y + 3z + 17 = 0
(d) 5x - 2y + 3z - 17 = 0
Answer:

Option (a)

77.
If the plane intersect the axes at A, B and C and the centroid of Δ ABC is (1, 3, 1), the equation of the plane is _____ .
(a) x3+y1+z3=3
(b) x1+y3+z1=3
(c) 3x + 3y + z = 3
(d) None of the above
Answer:

Option (b)

78.
If the perpendicular from the origin to the plane makes angles of equal measures with i^, j^, k^ and its length is 3, then what is the equation of the plane ?
(a) x + y + z = 3
(b) x + y + z = 33
(c) x + y + z = 3
(d) x + y + z = 9
Answer:

Option (c)

79.
The equation of the plane passing through(1,-4,5) and having normal (3,1,-1) is _____ .
(a) 3x + y - z + 6 = 0
(b) 3x + y + z - 6 = 0
(c) 3x - y + z - 6 = 0
(d) x + y - z + 6 = 0
Answer:

Option (a)

80.
The perpendicular distance of the point (3, 2, 1) from the plane 3x + 4y - 2z - 10 = 0 is _____ .
(a) 529
(b) 514
(c) 314
(d) 729
Answer:

Option (a)

Showing 71 to 80 out of 188 Questions