The ratio of the numerical values of the average velocity and average speed of a body is always

unity

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unity or less

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unity or more

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less than unity

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Solution

The correct option is B unity or less
Displacement is either smaller than or equal to distance travelled.
$\frac{Average velocity}{Average speed} = \frac{\frac{Total displacement}{Total Time}}{\frac{Total distance}{Total Time}} = \frac{Total displacement}{Total distance}$
$∴ \frac{Average velocity}{Average speed} \leq 1$

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The ratio of the numerical values of the average velocity and average speed of a body is always

The correct option is B unity or lessDisplacement is either smaller than or equal to distance travelled. Average velocityAverage speed=Total displacementTotal TimeTotal distanceTotal Time=Total displacementTotal distance ∴Average velocityAverage speed≤1