Physics What is the principle of a ''Life Jacket"? It provides oxygen to a drowning person The person can sit on it like a raft It decreases the volume of the person to keep him afloat It increases 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 decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat ANSWER DOWNLOAD EXAMIANS APP
Physics In MRI machine, which one of the following is used? Ultra-sound wave Magnetic wave X-ray Sound wave Ultra-sound wave Magnetic wave X-ray Sound wave ANSWER DOWNLOAD EXAMIANS APP
Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because The ringing is not loud enough The glass of the bell jar absorbs the sound waves The bell jar is too small There is no air or any other gas in the bell jar The ringing is not loud enough The glass of the bell jar absorbs the sound waves The bell jar is too small There is no air or any other gas in the bell jar ANSWER DOWNLOAD EXAMIANS APP
Physics The word ''insolation' means Incoming solar radiation None of these Insoluble matters Matters which insulate Incoming solar radiation None of these Insoluble matters Matters which insulate ANSWER DOWNLOAD EXAMIANS APP
Physics What does the slope of a velocity time graph represent? Acceleration Distance Momentum Speed Acceleration Distance Momentum Speed ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves in air are electromagnetic longitudinal polarised transverse electromagnetic longitudinal polarised transverse ANSWER DOWNLOAD EXAMIANS APP
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