A) When the coordinate axes are translated the component of a vector in a plane changes
B) When the coordinate axes are rotated through some angle components of the vector change but the vector's magnitude remains constant
C) Sum of \[\vec{a}\]and \[\vec{b}\] is \[\vec{R}\]. If the magnitude of \[\vec{a}\]alone is increased angle between \[\vec{b}\] and \[\vec{R}\] decreases
D) The cross product of \[3\,\,\hat{i}\] and \[4\,\,\hat{j}\] is 12
Correct Answer: B
Solution :
When coordinate axes are rotated through some angle components of the vector change but the vectors magnitude remains constant.
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