SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which statement describes a vector?
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It has magnitude but no direction
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It has direction but no magnitude
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It has both direction and magnitude
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It has constant magnitude but no direction
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Explanation:
Detailed explanation-1: -Vector quantity: A vector quantity is a quantity that has both a magnitude and a direction. It obeys the triangle law of addition or equivalently the parallelogram law of addition.
Detailed explanation-2: -Whereas displacement is defined by both direction and magnitude, distance is defined only by magnitude. Displacement is an example of a vector quantity. Distance is an example of a scalar quantity. A vector is any quantity with both magnitude and direction.
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