Q23.Mercury is filled in a tube of radius 2 cm up to a height of 30 cm. The force exerted by mercury on the bottom of the tube is _____ N. (Given, atmospheric pressure = 105Nm−2 , density of mercury = 1.36 × 104 kg m− 3, g = 10 m s−2, π = 227 )
What This Question Tests
This question requires calculating the total pressure at the bottom of a liquid column, including atmospheric pressure, and then finding the force exerted by the fluid on the base.
Concepts Tested
Formulas Used
P_total = P_atm + ρgh
F = P_total × A
A = πr^2
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📋 Question Details
- Chapter
- Properties of Matter
- Topic
- Fluid pressure
- Year
- 2024
- Shift
- 04 Apr Shift 2
- Q Number
- Q23
- Type
- Numerical
- NCERT Ref
- Class 11 Physics Ch 10: Mechanical Properties of Fluids
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