A) When the co-ordinate axes are translated the component of a vector in a plane changes
B) When the co-ordinate 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 \[\vec{i}\] and 4\[\vec{j}\] is 12
Correct Answer: B
Solution :
When co-ordinate axes are rotated through some angle components of the vector change but the vectors magnitude remains constant.
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