Physics Radiocarbon is produced in the atmosphere as a result of Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Lightning discharge in atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Lightning discharge in atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics In hydro power station, the motion produced in turbines is due to Production of steam Burning of diesel Flow of water Burning of coal Production of steam Burning of diesel Flow of water Burning of coal ANSWER DOWNLOAD EXAMIANS APP
Physics When a detergent is added to pure water, its surface tension Increases Remains constant Decreases Becomes infinite Increases Remains constant Decreases Becomes infinite ANSWER DOWNLOAD EXAMIANS APP
Physics Pieces of camphor placed on water move about rapidly. This is because of Diffusion Viscosity Surface tension Capillarity Diffusion Viscosity Surface tension Capillarity ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 11.2 km/sec 10.2 km/sec 12.2 km/sec 13.2 km/sec 11.2 km/sec 10.2 km/sec 12.2 km/sec 13.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics What is unit of Viscosity ? Newton second per square meter Coulomb Joule per kilogram per Kelvin Watt per meter per degree celcius Newton second per square meter Coulomb Joule per kilogram per Kelvin Watt per meter per degree celcius ANSWER DOWNLOAD EXAMIANS APP
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