Physics Conservation of energy refers to the fact that The entropy of the universe is always increasing Energy cannot be created or destroyed but can be converted from one form to another No chemical reaction is 100 percent efficient If you conserve energy you will not be as tired The entropy of the universe is always increasing Energy cannot be created or destroyed but can be converted from one form to another No chemical reaction is 100 percent efficient If you conserve energy you will not be as tired ANSWER DOWNLOAD EXAMIANS APP
Physics If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in Only the glass tube Neither Only the capillary tube Both Only the glass tube Neither Only the capillary tube Both ANSWER DOWNLOAD EXAMIANS APP
Physics Sound of frequency below 20 Hz is called infrasonic supersonics audio sounds ultrasonic infrasonic supersonics audio sounds ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics If the earth suddenly stop rotating, the value of "g" will be Same Become Zero Increase Decrease Same Become Zero Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To make it smooth and frictionless To reduce heat loss by radiation To make it more durable To make it rust-proof To make it smooth and frictionless To reduce heat loss by radiation To make it more durable To make it rust-proof ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 0.05 0.1 2 4 0.05 0.1 2 4 ANSWER DOWNLOAD EXAMIANS APP
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