Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Vander waals forces Dipole interaction Covalent attraction Hydrogen bond formation Vander waals forces Dipole interaction Covalent attraction Hydrogen bond formation ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river what will be the effect? It lowers It jolts It sways It rises a little It lowers It jolts It sways It rises a little ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted. Rough black Shining white Rough white Shining black Rough black Shining white Rough white Shining black ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor The collector has the least concentration of impurity The emitter has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The base has the least concentration of impurity The collector has the least concentration of impurity The emitter has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The base has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics Super conductors are substances that Offer high resistance to the flow of electric current Offer minimum resistance to flow of electric current Conduct electricity at high temperature Conduct electricity at low temperature Offer high resistance to the flow of electric current Offer minimum resistance to flow of electric current Conduct electricity at high temperature Conduct electricity at low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 1 2 3 4 1 2 3 4 ANSWER DOWNLOAD EXAMIANS APP