Question :
A barometer has liquid-1 with density 5 Kg/m3 and height 10 cm below the outside level above that there is liquid-2 of length 5 cm, if the gauge pressure of the gas is 1 Pa, what is the density of liquid-2?
1. 2 Kg/m3
2. 4 Kg/m3
3. 6 Kg/m3
4. 8 Kg/m3
Answer :
4 - 8 Kg/m3
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