Physics What is the principle of a ''Life Jacket"? The person can sit on it like a raft It increases the volume of the person to keep him afloat It decreases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It increases the volume of the person to keep him afloat It decreases the volume of the person to keep him afloat It provides oxygen to a drowning person ANSWER DOWNLOAD EXAMIANS APP
Physics A fountain pen works on the principle of Viscosity of liquids Flow of liquids from higher to lower potential Capillary action Bernoulli's principle Viscosity of liquids Flow of liquids from higher to lower potential Capillary action Bernoulli's principle ANSWER DOWNLOAD EXAMIANS APP
Physics The atmosphere is heated mainly by Convection Conduction Insolation Radiation Convection Conduction Insolation Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 10–10 0.01 0.001 1 × 1010 1 × 10–10 0.01 0.001 1 × 1010 ANSWER DOWNLOAD EXAMIANS APP
Physics The magnitude of buoyant force depends on the ________ of the fluid. Mass Density Temperature Volume Mass Density Temperature Volume ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following physical quantities has the same dimensions as that of Planck's constant? Angular momentum Potential energy Force Linear momentum Angular momentum Potential energy Force Linear momentum ANSWER DOWNLOAD EXAMIANS APP
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