Name the phenomena due to which the weight of a body decreases when it is immersed in liquid or gas.
Hence, Archimedes' principle is the correct answer.
Name the force exerted in the upward direction by a liquid when a body is immersed in it.
Which principle tells us about the decrease in weight of a body when immersed in a liquid?
What happens to the weight of a body when it is immersed in a liquid.