Question Practice

If a line has direction ratios of 2, 3, and 6, what are its direction cosines?

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

MCQ_SA

Single Answer MCQ

Q-00078341

1/√14, 3/√14, 2/√14

2/3, 1/3, 1

3/√14, 2/√14, 1

1/3, 1/2, 1

Video Explanation

Watch Video Solution

Keep Practising

Students who asked this also explored

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?

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?

Q3.

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

Q4.

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