Physics When a steel ball is placed on the surface of mercury, it does not sink because Of the high viscosity of mercury Of the surface tension of mercury The density of mercury is greater than that of steel Mercury is a semisolid Of the high viscosity of mercury Of the surface tension of mercury The density of mercury is greater than that of steel Mercury is a semisolid ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is Changing continuously 30 days 24 hours 365 days Changing continuously 30 days 24 hours 365 days ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Passing direct current through it Passing alternating current through it Hammering a magnet Heating a magnet Passing direct current through it Passing alternating current through it Hammering a magnet Heating a magnet ANSWER DOWNLOAD EXAMIANS APP
Physics In SONAR which kind of wave is used? Ultrasonic Infrasonic Audible sound Radio Ultrasonic Infrasonic Audible sound Radio ANSWER DOWNLOAD EXAMIANS APP
Physics When a number of resistors are connected in series in a circuit, the value of current: Decreases Remains the same Increases Becomes half Decreases Remains the same Increases Becomes half ANSWER DOWNLOAD EXAMIANS APP
Physics What principle/law explains the working of the hydraulic brakes in automobiles ? Posieulle's principle Archimedes' principle Bernoulli's law Pascal's law Posieulle's principle Archimedes' principle Bernoulli's law Pascal's law ANSWER DOWNLOAD EXAMIANS APP