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Question Practice

If two lines in 3D space are parallel, how do their direction ratios behave?

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 two lines in 3D space are p...

Single Answer MCQ
Q-00078298

If two lines in 3D space are parallel, how do their direction ratios behave?

1

They have the same direction ratios

2

They have equal direction cosines

3

They are opposite

4

None of the above

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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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