1. Tardigrade
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  3. Physics
  4. Assertion: For a given time interval, average velocity is single valued while average speed can have many values. Reason: Velocity is a vector quantity and speed is a scalar quantity.

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Q. Assertion : For a given time interval, average velocity is single valued while average speed can have many values.
Reason : Velocity is a vector quantity and speed is a scalar quantity.

AIIMSAIIMS 2018Motion in a Straight Line

Solution:

For a given interval of time, the body in motion may go from one position to another through different paths, where displacement in a given time has one value but distance travelled can have many values. Due to which, assertion is correct. The reason is also correct but not a true explanation of assertion.