Archimedes' principle and law of floatation and applications - Jamb Physics Past Questions and Answers

Question 11:

• JAMB 2012

When a ship sails from salt water into fresh water, the fraction of its volume above the water surface will

A. Increase
B. Decrease
C. Remain the same
D. Increase then decrease

Question 12:

• JAMB 2015

Body floats in fluid when its .....................

A. Displaces its own volume of the liquid (fluid)
B. Displaces its own mass of the fluid
C. Displace its own density of the fluid
D. Is no longer subjected to gravity

Question 13:

• JAMB 2020

A hydrometer is an instrument for measuring the

A. A depth of water of water in a vessel
B. Relative density of a liquid by the method of flotation
C. Relative density of a liquid by finding the apparent loss in weight
D. Relative humidity of the air