A barometer has liquid-1 with density 1 Kg/m^3 and height 10 cm below the outside level above that a liquid-2, if the gauge pressure of gas is 0.5 Pa, what is the pressure liquid-2?
(a) 0.5 Pa
(b) 1 Pa
(c) 1.5 Pa
(d) 2 Pa
The question was asked in unit test.
My doubt is from Differential Pressure Measurements in division Temperature and Pressure of Basic Chemical Engineering