Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Hydrogen bond formation Covalent attraction Dipole interaction Vander waals forces Hydrogen bond formation Covalent attraction Dipole interaction Vander waals forces ANSWER DOWNLOAD EXAMIANS APP
Physics What is unit of Viscosity ? Joule per kilogram per Kelvin Watt per meter per degree celcius Newton second per square meter Coulomb Joule per kilogram per Kelvin Watt per meter per degree celcius Newton second per square meter Coulomb ANSWER DOWNLOAD EXAMIANS APP
Physics Ball pen functions on the principle of : Viscosity Gravitational force Surface tension Boyle's Law Viscosity Gravitational force Surface tension Boyle's Law ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics The metal whose electrical conductivity is more, is Silver Copper Aluminium Lead Silver Copper Aluminium Lead ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Intense sunlight at noon The heating effect of current alone Hysteresis loss alone Both the heating effect of current and hysteresis loss Intense sunlight at noon The heating effect of current alone Hysteresis loss alone Both the heating effect of current and hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
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