Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Superconductors Semi conductors Dielectrics Perfect conductors Superconductors Semi conductors Dielectrics Perfect conductors ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for measuring the wavelength of X-rays is Cyclotron Mass Spectrometer G.M. Counter Bragg Spectrometer Cyclotron Mass Spectrometer G.M. Counter Bragg Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics The nature of fuse wire is Low resistance and low melting point. Low resistance and high melting point. High resistance and low melting point. High resistance and high melting point. Low resistance and low melting point. Low resistance and high melting point. High resistance and low melting point. High resistance and high melting point. ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic domains normally occur in Iron Copper All of these Silver Iron Copper All of these Silver ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals have higher thermal capacity than plastics metals are good conductor of heat plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals have higher thermal capacity than plastics metals are good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute zero is a temperature at which ________ Water freezes All gases become solid Molecular motion in a gas would cease All gases become liquid Water freezes All gases become solid Molecular motion in a gas would cease All gases become liquid ANSWER DOWNLOAD EXAMIANS APP