Physics Unit of impedance is ________ Henry Hertz Tesla Ohm Henry Hertz Tesla Ohm ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Newton's third law of motion Backward thrust of gases produced Conservation of energy Newton's first law of motion Newton's third law of motion Backward thrust of gases produced Conservation of energy Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by Increasing the focal length of the objective Increasing the focal length of the eyepiece None of these Decreasing the focal length of the eyepiece Increasing the focal length of the objective Increasing the focal length of the eyepiece None of these Decreasing the focal length of the eyepiece ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. normal atmospheric pressure is maintained by the use of air pumps. the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. normal atmospheric pressure is maintained by the use of air pumps. ANSWER DOWNLOAD EXAMIANS APP
Physics At low temperature, Lead behaves as a : Insulator Semi conductor Superconductor Conductor Insulator Semi conductor Superconductor Conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Natural radioactivity was discovered by Marie Curie Earnest Rutherford Enrico Fermi Henry Bacquerel Marie Curie Earnest Rutherford Enrico Fermi Henry Bacquerel ANSWER DOWNLOAD EXAMIANS APP
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