Question :
A barometer the liquid-1 with density 2 Kg/m3 and height 5 cm below the outside level and above that liquid-2 with density 0.5 Kg/m3 and length 10 cm, what is the gauge pressure of the gas?
1. 0.01 Pa
2. 0.05 Pa
3. 0.1 Pa
4. 0.5 Pa
Answer :
4 - 0.5 Pa
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