Assertion :Both velocity and speed have sante dimensions. Reason: Velocity cannot be added to speed.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution
The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion The dimensions of velocity and speed are same which is [M0L1T−1]. They cannot be added to each other because velocity is a vector quantity and speed is a scalar quantity.