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1.Units, Dimensions and Measurement
easy
$Assertion$ : Specific gravity of a fluid is a dimensionless quantity.
$Reason$ : It is the ratio of density of fluid to the density of water
A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
C
If the Assertion is correct but Reason is incorrect.
D
If both the Assertion and Reason are incorrect.
(AIIMS-2005)
Solution
Specific gravity of fluid
$ = \frac{{{\rm{density of fluid}}}}{{{\rm{density of water}}}}$
It is a ratio.
Standard 11
Physics
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