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A : When we change the unit of a measure...

A : When we change the unit of a measurement of a quantity, its numerical value changes.
R : The product of numerical value of the physical quantity and unit for a quantity remain constant.

A

If both assertion and reason are correct and reason is a correct explanation of the assertion.

B

If both assertion and reason are correct and reason is not the correct explanation of the assertion.

C

If assertion is correct but reason is incorrect.

D

If assertion is incorrect but reason is correct.

Text Solution

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The correct Answer is:
A
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