Physics What is the principle of a ''Life Jacket"? It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat The person can sit on it like a raft It provides oxygen to a drowning person It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat The person can sit on it like a raft It provides oxygen to a drowning person ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of stone is immersed in water, it displaces water of equal Mass Volume Density Specific gravity Mass Volume Density Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier for a man to swim in sea water, than in river water because The density of sea water is more than the density of river water The sea is wider than the river The sea is-deeper than the river The density of sea water is lesser than the density of river water The density of sea water is more than the density of river water The sea is wider than the river The sea is-deeper than the river The density of sea water is lesser than the density of river water ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of wood is held under water. The upthrust on it will be: Equal to the weight of the wood More than weight of the wood Less than weight of the wood Zero Equal to the weight of the wood More than weight of the wood Less than weight of the wood Zero ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because Albumin dissolves in salt solution and egg becomes lighter Egg absorbs salt from the solution and expands Water has high surface tension The density of salt solution exceeds the density of eggs Albumin dissolves in salt solution and egg becomes lighter Egg absorbs salt from the solution and expands Water has high surface tension The density of salt solution exceeds the density of eggs ANSWER DOWNLOAD EXAMIANS APP
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