Physics Isotopes of an element contain equal number of protons and electrons the same number of protons but different number of neutrons the same number of neutrons but different number of protons equal number of nucleons equal number of protons and electrons the same number of protons but different number of neutrons the same number of neutrons but different number of protons equal number of nucleons ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Of the capillary action phenomenon Of the surface tension phenomenon Of the diffusion of oil through the wick Oil is very light Of the capillary action phenomenon Of the surface tension phenomenon Of the diffusion of oil through the wick Oil is very light ANSWER DOWNLOAD EXAMIANS APP
Physics Radioactive elements can be traced out in living cell through a technique called Chromatography Auto radiography All listed here Centrifugation Chromatography Auto radiography All listed here Centrifugation ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves necessary centripetal force may be obtained from the horizontal component of the weight of the train necessary centrifugal force may be obtained from the horizontal component weight of the train to avoid frictional force between the tracks and wheels the train may not fly off in the opposite direction necessary centripetal force may be obtained from the horizontal component of the weight of the train necessary centrifugal force may be obtained from the horizontal component weight of the train to avoid frictional force between the tracks and wheels the train may not fly off in the opposite direction ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ? A will reach the ground first. The question is incomplete because the masses of the spheres are not given. Both the spheres will reach the ground simultaneously. B will reach the ground first. A will reach the ground first. The question is incomplete because the masses of the spheres are not given. Both the spheres will reach the ground simultaneously. B will reach the ground first. ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following reflects back more sunlight as compared to other three? Land covered with fresh snow Prairie land Paddy crop land Sand desert Land covered with fresh snow Prairie land Paddy crop land Sand desert ANSWER DOWNLOAD EXAMIANS APP