Answer / magesh

specific gravity, is the ratio of the density (mass of a
unit volume) of a substance to the density of a given
reference material. Specific gravity usually means relative
density with respect to water.
Viscosity is the resistance to flow.

Answer / japhet

When we say viscosity, it is the thickness of the fluid.

3x3x2.5 m room temperature increases by 20 deg cel in 24 hours by a lamp of 100 w. then tell the temperature of the filament

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