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Calculation Of Density

Calculation Of Density

Knowing the value of g, how can we calculated the mass and density of Earth?

Vapour density of mercury with respect to air is 6.92. calculate the number of atoms present inn each molecule of mercury vapour. (Given: Hg=200 and relative density of air=14.5).

A wire 88cm long bent into a circular loop is placed perpendicular to the magnetic field of density 2.5 Wb m^(-2) . Within 0.5 s the loop is changed into square of each side 22 cm and the density is increased to 3Wbm-2 . Calculate the value of e.m.f. induced.

Each substance has a unique density associated with it

Value of Each angle in A Rectangle is ……………….