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Question: Answered & Verified by Expert
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.
PhysicsMotion In One DimensionAIIMSAIIMS 2018 (26 May)
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion.
  • B If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C If assertion is true but reason is false.
  • D If both assertion and reason are false.
Solution:
1080 Upvotes Verified Answer
The correct answer is: If both assertion and reason are true but reason is not the correct explanation of assertion.
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.

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