Physics Radiocarbon is produced in the atmosphere as a result of 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. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. ANSWER DOWNLOAD EXAMIANS APP
Physics Angle of friction and angle of repose are Proportional to each other Equal to each other None of these Not equal to each other Proportional to each other Equal to each other None of these Not equal to each other ANSWER DOWNLOAD EXAMIANS APP
Physics When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is The blue ray The violet ray The green ray The red ray The blue ray The violet ray The green ray The red ray ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension of Planck constant equals to that of Energy Power Momentum Angular momentum Energy Power Momentum Angular momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of continous emission spectrum? None Both Spectrum of an oil frame Spectrum of a water None Both Spectrum of an oil frame Spectrum of a water ANSWER DOWNLOAD EXAMIANS APP
Physics Radio activity is due to Stable nucleus Stable electronic configu-ration Stable electronic configu-ration Unstable nucleus Stable nucleus Stable electronic configu-ration Stable electronic configu-ration Unstable nucleus ANSWER DOWNLOAD EXAMIANS APP