Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Depends upon the metal Increases Decreases Unchanged Depends upon the metal Increases Decreases Unchanged ANSWER DOWNLOAD EXAMIANS APP
Physics The energy associated with motion is called Both A & B Potential energy None of these Kinetic energy Both A & B Potential energy None of these Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics What principle/law explains the working of the hydraulic brakes in automobiles ? Pascal's law Bernoulli's law Posieulle's principle Archimedes' principle Pascal's law Bernoulli's law Posieulle's principle Archimedes' principle ANSWER DOWNLOAD EXAMIANS APP
Physics If ice floating on water in a vessel melts, the water level in the vessel ________ . Increases First increases before decreasing Does not change Decreases Increases First increases before decreasing Does not change Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper can take higher power than iron Copper is lighter than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper can take higher power than iron Copper is lighter than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a property of heavy water ? Boiling point of heavy water is lower than that or ordinary water It produces corrosion Freezing point of heavy water is higher than that of ordinary water Density of heavy water is higher than that of ordinary water Boiling point of heavy water is lower than that or ordinary water It produces corrosion Freezing point of heavy water is higher than that of ordinary water Density of heavy water is higher than that of ordinary water ANSWER DOWNLOAD EXAMIANS APP
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