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Question Practice

In the equation of a line, if the direction cosines are known, how can the direction ratios be determined?

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

In the equation of a line, if ...

Single Answer MCQ
Q-00078347

In the equation of a line, if the direction cosines are known, how can the direction ratios be determined?

1

By squaring the direction cosines

2

By using > and < signs

3

By dividing the direction cosines

4

By multiplying them by a constant

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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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