If $\hat{i}, \hat{j}, \hat{k}$ are unit vectors along X, Y, Z axes then,
A. $\hat{i} \times \hat{i}=1$
B. $\hat{j} . \hat{j}=0$
C. $\hat{i} \times \hat{j}=\hat{k}$
D. $\hat{k} \times \hat{i}=\hat{j}$
E. $\hat{i} . \hat{j}=0$
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → C, D and E only
A. false, $\hat i×\hat i=\hat 0$
B. false, $\hat j.\hat j=1$
C. True
D. True
E. True