Physics When a detergent is added to pure water, its surface tension Increases Decreases Remains constant Becomes infinite Increases Decreases Remains constant Becomes infinite ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon is produced in the atmosphere as a result of Lightning discharge in atmosphere. Collision between fast neutrons and nitrogen nuclei present in the 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. Lightning discharge in atmosphere. Collision between fast neutrons and nitrogen nuclei present in the 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 The pressure exerted by a 760 mm column of mercury at 0°C is known as 1 bar 1 pascal 1 atmosphere 1 poise 1 bar 1 pascal 1 atmosphere 1 poise ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon dating technique is used to estimate the age of rocks fossils soil monuments rocks fossils soil monuments ANSWER DOWNLOAD EXAMIANS APP
Physics We always see the same face of the moon, because It rotates at the same speed as the earth around the sun It is smaller than the earth It revolves on its axis in adirection opposite to that ofthe earth It takes equal time for revolution around the earth and rotation on its own axis It rotates at the same speed as the earth around the sun It is smaller than the earth It revolves on its axis in adirection opposite to that ofthe earth It takes equal time for revolution around the earth and rotation on its own axis ANSWER DOWNLOAD EXAMIANS APP