EASY
JEE Advanced
IMPORTANT
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If the direction cosines of a straight line are <k, k, k>, then

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Important Questions on Three Dimensional Geometry

MEDIUM
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 14 - Three Dimensional Geometry>Target Exercises>Q 2
The line x=1, y=2 is
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 14 - Three Dimensional Geometry>Target Exercises>Q 3
The equation x-1x-2=0 in three dimensional space represents a/an
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 14 - Three Dimensional Geometry>Target Exercises>Q 4
A point x,y,z moves parallel to X-axis. Which of the three variables x, y, z remain fixed?
MEDIUM
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 14 - Three Dimensional Geometry>Target Exercises>Q 5
The ratio in which the line segment joining 2,4,5 and 3,5,-4 is divided by the YZ-plane, is
HARD
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 14 - Three Dimensional Geometry>Target Exercises>Q 6
The area of the triangle whose vertices are 1,2,3, 2,5,-1 and -1,1,2, is
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 14 - Three Dimensional Geometry>Target Exercises>Q 7
A line making angles 45° and 60° with the positive directions of X and Y-axes makes with the positive direction of Z-axis, an angle of
EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 14 - Three Dimensional Geometry>Target Exercises>Q 8
The angle between a line with direction ratios 2, 2, 1 and a line joining 3,1,4 to 7,2,12, is
HARD
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Mathematics Vol 2>Chapter 14 - Three Dimensional Geometry>Target Exercises>Q 9
Lines OA and OB are drawn from O with direction cosines proportional to <1, -2, -1> and <3, -2, 3> respectively. The direction ratios of the normal to the plane AOB are