Radiocarbon is produced in the atmosphere as a result of<...
Radiocarbon is produced in the atmosphere as a result of
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
Correct answer is A
No explanation has been provided for this answer.
The density of a solid is defined as the ...
Which of the following thermometers is used to measure the temperature of the human body? ...
The handle of a screw jack is 35 cm long and pitch of the screw is 0.5 cm. What force must be a...
A ball falling through a viscous liquid is acted upon by ...
Which of the following figures gives the correct resultant R of two vectors P and Q? ...