Physics Radiocarbon is produced in the atmosphere as a result of Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Lightning discharge in atmosphere. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. Action of ultraviolet light from the sun on atmospheric oxygen. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. Lightning discharge in atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: They have high melting point. All of these They contain free electrons. The atoms are lightly packed. They have high melting point. All of these They contain free electrons. The atoms are lightly packed. ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer works on the principle of Mutual induction Inverter Generator Self induction Mutual induction Inverter Generator Self induction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of calorimetry Principle of thermal equilibrium Principle of vaporization Principle of colors Principle of calorimetry Principle of thermal equilibrium Principle of vaporization Principle of colors ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of intensity of electric field is Volt N/c N/m J/c Volt N/c N/m J/c ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of aircraft spacecraft sound ships aircraft spacecraft sound ships ANSWER DOWNLOAD EXAMIANS APP
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