Physics When a steel ball is placed on the surface of mercury, it does not sink because Of the surface tension of mercury Mercury is a semisolid The density of mercury is greater than that of steel Of the high viscosity of mercury Of the surface tension of mercury Mercury is a semisolid The density of mercury is greater than that of steel Of the high viscosity of mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Einstein Romer Galileo Newton Einstein Romer Galileo Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Electron microscope works on which of the following principles? Optical interference Faraday's law of Electromagnetic induction Wave Nature of electrons Motion of charged particle in electromagnetic fields Optical interference Faraday's law of Electromagnetic induction Wave Nature of electrons Motion of charged particle in electromagnetic fields 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 The type of mirrors used in the headlamp of cars is Parabolic concave Plane Cylindrical concave Spherical convex Parabolic concave Plane Cylindrical concave Spherical convex ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals are good conductors of heat Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS