In an clockwise system

Physics Vectors Multiplication of Vectors Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: September 12, 2026

In an clockwise system

\(\hat{j} \times \hat{k} = \hat{i}\)

\(\hat{\imath} \cdot \hat{\imath} = 1\)

\(\hat{j} \times \hat{j} = 0\)

\(\hat{\mathbf{k}} \cdot \hat{\mathbf{i}} = 0\)

Text Solution

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The correct answer is:

In a right-handed (clockwise) coordinate system:

\(\hat{i} \times \hat{j} = \hat{k}, \hat{j} \times \hat{k} = \hat{i}, \hat{k} \times \hat{i} = \hat{j}\)

Also, \(\hat{i} \cdot \hat{i} = 1\)

Check the options:

\(\hat{j} \times \hat{k} = \hat{i}\)

\(\hat{i} \cdot \hat{i} = 1\) (it is 1 )

\(\hat{i} \times \hat{j} = \hat{k}\) (it is \hat{k} )

\(\hat{k} \cdot \hat{j} = 0\) (it is 0 )

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