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Question Practice

If the direction ratios of two lines are proportional, what can be inferred about the angle between them?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 12
Mathematics
Mathematics Part - II
Three Dimensional Geometry
Question Bank

If the direction ratios of two...

Single Answer MCQ
Q-00078330

If the direction ratios of two lines are proportional, what can be inferred about the angle between them?

1

The lines are perpendicular.

2

The lines are parallel.

3

The lines intersect at an acute angle.

4

The lines are skew lines.

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Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.

Q1.

What are the direction cosines of a line?

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Q2.

If a line makes angles α, β, and γ with the x, y, and z axes, respectively, what is true about the direction cosines l, m, n?

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Q3.

What do direction ratios represent for a line in three-dimensional space?

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Q4.

What happens to the direction cosines if the direction of a line is reversed?

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