Physics Light beam which is highly directional is called: Grazer Laser Maser Eraser Grazer Laser Maser Eraser ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of luminous emittance is : Lux Candela Lumen second Lumen Lux Candela Lumen second Lumen ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photoconductive effect Photosynthesis Photoelectric effect Photovoltaic effect Photoconductive effect Photosynthesis Photoelectric effect Photovoltaic effect ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level does not change The mercury level starts falling The mercury level starts rising The bell jar breaks up The mercury level does not change The mercury level starts falling The mercury level starts rising The bell jar breaks up ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, the pressure is the same as that outside. normal humidity and partial vacuum are maintained. the pressure inside is less than the pressure outside. normal atmospheric pressure is maintained by the use of air pumps. the pressure is the same as that outside. normal humidity and partial vacuum are maintained. the pressure inside is less than the pressure outside. normal atmospheric pressure is maintained by the use of air pumps. ANSWER DOWNLOAD EXAMIANS APP
Physics What type of heat transfer is boiling water? Convection None of these Radiation Conduction Convection None of these Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
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