A simple barometer is constructed using a liquid Q1 of density 16.2g/cm3. Calculate the least length of the tube to be used to measure pressure of 1.5 atmospheres. (Density of mercury = 13.6g/cm3, 1 atmosphere = 76.0cm of mercury)
A. 1358 mm
B. 957 mm
C. 760 mm
D. 638 mm
Answer:D
A simple barometer is constructed using a liquid Q1 of density 16.2g/cm3. Calculate the least length of the tube to be used to measure pressure of 1.5 atmospheres. (Density of mercury = 13.6g/cm3, 1 atmosphere = 76.0cm of mercury)
A. 1358 mm B. 957 mm C. 760 mm D. 638 mm