Question

The unit vectors orthogonal to the vector\(-\hat{i}+2\hat{j}+2\hat{k}\) and making equal angles with the x and y axis is (are)

• A. \(\pm\frac{1}{3}(2\hat{i}+2\hat{j}-\hat{k})\)
• B. \(\pm\frac{1}{3}(\hat{i}+\hat{j}-\hat{k})\)
• C. \(\pm\frac{1}{3}(2\hat{i}-2\hat{j}-2\hat{k})\)
• D. \(\pm\frac{1}{3}(\hat{i}-2\hat{j}-2\hat{k})\)

Answer 1

The Correct Option is A

The correct answer is(A): \(\pm\frac{1}{3}(2\hat{i}+2\hat{j}-\hat{k})\)