Physics What is the minimum distance (in metres) required to hear an echo? 10 17 21 13 10 17 21 13 ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Absence of gravity outside ANSWER DOWNLOAD EXAMIANS APP
Physics What is the principle of a ''Life Jacket"? It increases the volume of the person to keep him afloat The person can sit on it like a raft It decreases the volume of the person to keep him afloat It provides oxygen to a drowning person It increases the volume of the person to keep him afloat The person can sit on it like a raft It decreases the volume of the person to keep him afloat It provides oxygen to a drowning person ANSWER DOWNLOAD EXAMIANS APP
Physics The domain theory of magnetism applies to Copper Aluminium Silver Cobalt Copper Aluminium Silver Cobalt 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
Physics Which alternative energy source is exhaustible? Solar energy Tidal energy Geothermal energy Wind energy Solar energy Tidal energy Geothermal energy Wind energy ANSWER DOWNLOAD EXAMIANS APP
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