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 A liquid disturbed by stirring comes to rest due to Density Viscosity Surface tension Centripetal force Density Viscosity Surface tension Centripetal force ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms An image type which depends on object characteristics A virtual image A real image An image type which depends on lens curvature An image type which depends on object characteristics A virtual image A real image An image type which depends on lens curvature ANSWER DOWNLOAD EXAMIANS APP
Physics Who discovered X-ray Ernest Rutherford Wilhelm Rontgen Marie Curie Pierre Curie Ernest Rutherford Wilhelm Rontgen Marie Curie Pierre Curie ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Stone chips Steel Glass pieces Glass - wool Stone chips Steel Glass pieces Glass - wool ANSWER DOWNLOAD EXAMIANS APP
Physics Tape recorder should not be kept near one of the following things : Radio Magnet Electrical switchboard Clock Radio Magnet Electrical switchboard Clock ANSWER DOWNLOAD EXAMIANS APP