A barometer contains two uniform capillaries of radii 1.44 xx 10^(-3) m and 7.2 xx 10^(-4) If the height of liquid in narrow tube is 0.2m more than that in wide tube, the true pressure difference is computed to be P xx 310 N//m^2 Density of liquid = 10^3 kg//m^3, surface tension = 72 xx 10^(-3)N/m and g= 9.8m//s^2 Find P.

A barometer contains two uniform capillaries of radii 1.44 xx 10^(-3)

1.	A barometer contains two uniform capillaries of radii 1.44 xx 10^(-3) m and 7.2 xx 10^(-4) If the height of liquid in narrow tube is 0.2m more than that in wide tube, the true pressure difference is computed to be P xx 310 N//m^2 Density of liquid = 10^3 kg//m^3, surface tension = 72 xx 10^(-3)N/m and g= 9.8m//s^2 Find P.
Answer» ANSWER :6