Physics Radiocarbon is produced in the atmosphere as a result of Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. ANSWER DOWNLOAD EXAMIANS APP
Physics Force of impact is the force By the objects weight By the speed of the object None of these When the objects meet By the objects weight By the speed of the object None of these When the objects meet ANSWER DOWNLOAD EXAMIANS APP
Physics stars which appear single to the naked eye but are double when seen through a telescope are quasars novas and supernovas asteroids binaries quasars novas and supernovas asteroids binaries ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts DC to AC Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts DC to AC Converts AC voltage to D.C. voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Velocitation is the tendency to None of these Be traveling at a speed that is slower than perceived Be traveling at a speed that is faster than perceived Both A & B None of these Be traveling at a speed that is slower than perceived Be traveling at a speed that is faster than perceived Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Switch Regulator Rectifier Amplifier Switch Regulator Rectifier Amplifier ANSWER DOWNLOAD EXAMIANS APP
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