Physics Weight of a body is maximum at the: Pole Tropics Equator Subtropics Pole Tropics Equator Subtropics ANSWER DOWNLOAD EXAMIANS APP
Physics If a body moves with a constant speed in a circle No acceleration is produced in it No work is done on it No force acts on it Its velocity remains constant No acceleration is produced in it No work is done on it No force acts on it Its velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical resistivity increase its life enable it to withstand higher voltages increase its electrical conductivity increase its electrical resistivity increase its life enable it to withstand higher voltages increase its electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because They are nearer to earth and hence we receive a greater amount of light. They are very far away from the earth resulting in decrease in intensity of light Their distance from the earth does not change with time They emit light of a constant intensity They are nearer to earth and hence we receive a greater amount of light. They are very far away from the earth resulting in decrease in intensity of light Their distance from the earth does not change with time They emit light of a constant intensity ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : Diffusion Sublimation Evaporation Vaporisation Diffusion Sublimation Evaporation Vaporisation ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation ANSWER DOWNLOAD EXAMIANS APP