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 Which of the following has the highest entropy? Diamond Liquid nitrogen Mercury Hydrogen Diamond Liquid nitrogen Mercury Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Physics The direction of heat flow between two objects depends on Their temperatures Their heat contents Whether they are in solid, liquid or gaseous state Their masses Their temperatures Their heat contents Whether they are in solid, liquid or gaseous state Their masses ANSWER DOWNLOAD EXAMIANS APP
Physics A permanent magnet can affect Magnets None of these Both A & B Electromagnets Magnets None of these Both A & B Electromagnets ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to measure the speed of the wind is Altimeter Anemometer Chronometer Dosimeter Altimeter Anemometer Chronometer Dosimeter ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Refraction Propagation Diffraction No option is correct Refraction Propagation Diffraction No option is correct ANSWER DOWNLOAD EXAMIANS APP
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