A vertical tube open to air is filled with an unknown liquid to a height of

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

0.80\,\text{m}

. The gauge at the base reads

6.3\times10^3\,\text{Pa}

above atmospheric pressure. Calculate the density of the liquid. (Take

g = 9.8\,\text{m\,s}^{-2}

.) (a)

1.3\times10^{3}\,\text{kg\,m}^{-3}

(b)

8.0\times10^{2}\,\text{kg\,m}^{-3}

(c)

6.4\times10^{2}\,\text{kg\,m}^{-3}

(d)

1.0\times10^{3}\,\text{kg\,m}^{-3}