SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A column of mercury (density = 13, 600 kg/m3) has a height of 74 cm. Using pressure = d x g x h and SI units (d is density), calculate the pressure at the bottom of the column.
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640, 100 N
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100, 640 N
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100, 640 Pa
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600, 100 Pa
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Explanation:
Detailed explanation-1: -It can be measured using mercury in the equation atmospheric pressure = density of mercury x acceleration due to gravity x height of column of mercury.
Detailed explanation-2: -(a) P=wgh=(1000 kg/m3)(9.81 m/s2)(0.76 m)=7450 N/
There is 1 question to complete.