Physics Superconductors are those elements Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics When an atom loses an electron it becomes Neutron None of these Positive ion Negative ion Neutron None of these Positive ion Negative ion ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because 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 Of the surface tension of mercury ANSWER DOWNLOAD EXAMIANS APP
Physics In SONAR which kind of wave is used? Infrasonic Ultrasonic Radio Audible sound Infrasonic Ultrasonic Radio Audible sound ANSWER DOWNLOAD EXAMIANS APP
Physics Formula for distance is Time / speed Velocity / speed Speed x time Speed x acceleration Time / speed Velocity / speed Speed x time Speed x acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following waves cannot be polarised? Infrared Radio Ultra violet Ultrasonic Infrared Radio Ultra violet Ultrasonic ANSWER DOWNLOAD EXAMIANS APP
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