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Derive the Dimensional Formula of Specific Gravity

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Specific Gravity formula is

Specific Gravity = Density of Body/Density of Body at 4oC

Density = Mass/Volume
Density = M/L3

So Dimensional Formula of Specific Gravity= M0L0T0
Note: Specific Gravity is defined as change in Density of Body over Density of Body at 4oC. Now we know that both Density of Body and Density of Body at 4oC has same dimensions i.e. Mass/Volume so same units cancel each other leaving numeric value only. So Specific Gravity has no unit.

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  • jayson macvitie August 19, 2015 at 8:29 pm

    Well written!

  • abcd November 29, 2016 at 4:16 am


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