Physics What device converts light energy to electrical energy? Heliostats Photovoltaic cell Thermocouple Photodiode Heliostats Photovoltaic cell Thermocouple Photodiode ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Centre of motion Dead centre Centre of mass Centre of gravity Centre of motion Dead centre Centre of mass Centre of gravity 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 Of the high viscosity of mercury Of the surface tension of mercury The density of mercury is greater than that of steel Mercury is a semisolid Of the high viscosity of mercury Of the surface tension of mercury The density of mercury is greater than that of steel ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following devices can be used to detect radiant heat ? Liquid thermometer Six's maximum and minimum thermometer Thermopile Constant volume air thermometer Liquid thermometer Six's maximum and minimum thermometer Thermopile Constant volume air thermometer ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? J.J Thomson W.C Roentgen Marie Curie James Chadwick J.J Thomson W.C Roentgen Marie Curie James Chadwick ANSWER DOWNLOAD EXAMIANS APP
Physics Light year is a unit of Intensity of light Time Distance Light Intensity of light Time Distance Light ANSWER DOWNLOAD EXAMIANS APP
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