The component of a vector `r` along X-axis will have maximum value ifA. (a) ` vec r` is along positve Y-axisB. (b) ` vec r` is along positve X-axisC. (c ) `vec r` makes an angle of ` 45^@` with the X-axisD. (d) ` vec r` is along negative Y-axis

The component of a vector `r` along X-axis will have maximum value ifA

1.	The component of a vector `r` along X-axis will have maximum value ifA. (a) ` vec r` is along positve Y-axisB. (b) ` vec r` is along positve X-axisC. (c ) `vec r` makes an angle of ` 45^@` with the X-axisD. (d) ` vec r` is along negative Y-axis
Answer» Correct Answer - B If ` vec r` makes an angle ` theta` with x-axis, theta component of ` vec r` is along x-axis = ` r cos theta`. It will be maximum if ` cos = max =m 1` or ` theta0^2` i.e. vec r` along positve x-axis.

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The component of a vector `r` along X-axis will have maximum value ifA. (a) ` vec r` is along positve Y-axisB. (b) ` vec r` is along positve X-axisC. (c ) `vec r` makes an angle of ` 45^@` with the X-axisD. (d) ` vec r` is along negative Y-axis

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