Physics Radiocarbon is produced in the atmosphere as a result of 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. Action of ultraviolet light from the sun on atmospheric oxygen. ANSWER DOWNLOAD EXAMIANS APP
Physics A person can jump higher on the moon's surface than on the earth because : The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon's surface is rough The moon has no atmosphere The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon's surface is rough The moon has no atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is indicated by the colour of a star ? Weight Temperature Size Distance Weight Temperature Size Distance ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : Just for convenience To convert kinetic friction into rolling friction To convert static friction into kinetic friction To increase friction Just for convenience To convert kinetic friction into rolling friction To convert static friction into kinetic friction To increase friction ANSWER DOWNLOAD EXAMIANS APP
Physics What colour does blue and yellow make? Red Black Green White Red Black Green White ANSWER DOWNLOAD EXAMIANS APP
Physics If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by 4 times 2 times 8 times 16 times 4 times 2 times 8 times 16 times ANSWER DOWNLOAD EXAMIANS APP
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