Physics Radiocarbon is produced in the atmosphere as a result of 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. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Moon Venus Saturn Earth Moon Venus Saturn Earth ANSWER DOWNLOAD EXAMIANS APP
Physics Temperature of distant luminous bodies can be determined by Pyrometers Mercury thermometers Colour thermometers Gas thermometers Pyrometers Mercury thermometers Colour thermometers Gas thermometers ANSWER DOWNLOAD EXAMIANS APP
Physics Angle of friction and angle of repose are Not equal to each other None of these Proportional to each other Equal to each other Not equal to each other None of these Proportional to each other Equal to each other ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction to avoid frictional force between the tracks and wheels necessary centripetal force may be obtained from the horizontal component of the weight of the train necessary centrifugal force may be obtained from the horizontal component weight of the train the train may not fly off in the opposite direction to avoid frictional force between the tracks and wheels necessary centripetal force may be obtained from the horizontal component of the weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature do the Fahrenheit and Celsius scales give the same reading? 32 degreees -40 degreees 0 degreees 212 degrees 32 degreees -40 degreees 0 degreees 212 degrees ANSWER DOWNLOAD EXAMIANS APP
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