Physics The method of magnetisation is: Hammering a magnet Passing direct current through it Heating a magnet Passing alternating current through it Hammering a magnet Passing direct current through it Heating a magnet Passing alternating current through it ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes in automobile work on Archimedes' principle Poiseuille's principle Pascal's principle Bernoulli's principle Archimedes' principle Poiseuille's principle Pascal's principle Bernoulli's principle ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Keep the rails equidistant Avoid the heating of tracks to high temperature Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant Avoid the heating of tracks to high temperature Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Sound waves in air Light waves Transverse waves on a string Longitudinal waves on a string Sound waves in air Light waves Transverse waves on a string Longitudinal waves on a string ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel through Vacuum Liquid Solid Gas Vacuum Liquid Solid Gas ANSWER DOWNLOAD EXAMIANS APP
Physics For accurate scientific work, temperatures are often measured by Thermoelectric thermometers Mercury thermometers Alcohol thermometers Platinum resistance thermometers Thermoelectric thermometers Mercury thermometers Alcohol thermometers Platinum resistance thermometers ANSWER DOWNLOAD EXAMIANS APP
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