JAMB Physics · Energy, pressure and heat
Liquids at rest: JAMB Physics Past Questions and Answers
What the JAMB syllabus covers in Liquids at rest
Our summary: Density, relative density, upthrust and why things float or sink.
- Determination of density of solids and liquids
- Definition of relative density
- Upthrust on a body immersed in a liquid
- Archimedes' principle and law of floatation and applications, e.g., ships and hydrometers
Objectives
- distinguish between density and relative density of substances;
- determine the upthrust on a body immersed in a liquid;
- apply Archimedes' principle and law of floatation to solve problems.
Syllabus content © The Joint Admissions and Matriculation Board (UTME).
JAMB Physics questions on Liquids at rest
- JAMB 2025The density of water is 1g/cm ^3 while that of ice is 0.9g/cm ^3 . Calculate the change in volume when 90g of ice is completely melted.
- JAMB 2025If the specific gravity of a liquid is 0.76, calculate its density(( w = 1000Kgm ^ -3 )
- JAMB 2025If an object sinks in water, it means that
- JAMB 2024A hydrometer of mass y kg and volume 2y x 10 ^ -5 m ^3 floats in a fluid with 20% of its volume above the fluid, what is the density of the fluid?
- JAMB 2024Calculate the upthrust on a spherical ball of volume 4.2 x 10 ^ -4 m ^ 3 when totally immersed in a liquid of density 1028kgm ^ -3
- JAMB 2024In a Hare's apparatus, the height of water and a liquid X are 0.3m and 0.5m respectively. The relative density of x is?
- JAMB 2024A solid cube of aluminum is 1.5cm on each edge. The density of aluminum is 2700kgm ^ -1 . Find the mass of the cube.
- JAMB 2023A relative density bottle has a mass of 19 g when empty. When it is completely filled with water, its mass is 66 g. What will be its mass if completely filled…
- JAMB 2021A solid weighs 10.00N in air, 6N when forcefully immersed in water, and 7.0N when fully immersed in a liquid, X. Calculate the relative density of the liquid X.
- JAMB 2020A hydrometer is an instrument for measuring the
- JAMB 2020A solid weighs 4.8g in air, 2.8g in water and 3.2g in Kerosine. The ratio of density of the solid to that of the kerosine is
- JAMB 2019Water and Kerosine are drawn respectively into the two limbs of a Hare's apparatus. The destiny of water is 1.0gcm ^ -3 and the density of kerosine is 0.80gcm ^…
- JAMB 2018The density of 400cm ^3 of palm oil was 0.9gcm-3 before frying. If the density of the oil was 0.6gcm-3 after frying, assuming no loss of oil due to spilling…
- JAMB 2018A solid cube of side 50cm and mass 75kg floats in a liquid with 1/3 of its height above the liquid surface. The relative density of the liquid is?
- JAMB 2018A solid weighs 45N and 15N respectively in air and water. Determine the relative density of the solid
- JAMB 2018An object weighs 30N in air and 21N in water. The weight of the object when completely immersed in a liquid of relative density 1.4 is
- JAMB 2017The instrument to measure the relative density of liquid is
- JAMB 2017Calculate the upthrust on an object of volume 50cm3 which is immersed in liquid of density 10^ 3 kgm-3 [g = 10 ms^ -2 ]
- JAMB 2016A body which weighs 50N in air displaces 3.7kg of water when partially immersed in water. Calculate the upthrust on the body?
- JAMB 2016The relative density of a liquid is the ratio of the
- JAMB 2015Body floats in fluid when its …
- JAMB 2015What is the S.I unit of relative density?
- JAMB 2013What volume of alcohol will have same mass as 4.2m-3 of petrol? Density of alcohol = 8.4 x 10^2 kgm-3, density of petrol =7.2x10^2 kgm-3
- JAMB 2013A piece of cork floats in a liquid. What fraction of its volume will be immersed in the liquid? [Density of the cork = 0.25 x 103kgm-3, Density of the liquid =…
- JAMB 2012A balloon whose volume is 300m3 is filled with hydrogen. If the density of air is 1.3 kgm-3, find the upthrust on the balloon. [g = 10 ms^ -2 ]
- JAMB 2012An object of volume 1 m 3 and mass 2kg is totally immersed in a liquid of density 1 kgm-3 . Calculate its apparent weight.
- JAMB 2011An object weighs 22 kg in water and 30kg in air. what is the upthrust exerted by the liquid on the object. [g = 10 ms2]
- JAMB 2010The density of a certain oil on frying becomes 0.4 kgm ^ -3 with the volume of 20m ^ 3 . what will be its initial volume when its initial density is 0.8 kgm ^…
- JAMB 2010If a container is filled with ice to the brim, what happens to the level of water when the ice completely melts?
- JAMB 2010The accurate measurement of the relative density of a substance in its powdered form is done with a beam balance and?
- JAMB 2010A hydrometer is an instrument used in measuring?
Years with Liquids at rest questions in DeeepSolve's question bank
From the past questions DeeepSolve holds, not a count of everything the exam body has set.
- 2025
- 2024
- 2023
- 2021
- 2020
- 2019
- 2018
- 2017
- 2016
- 2015
- 2013
- 2012
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- 2010