Physics In a refrigerator what produces the cooling ? The sudden expansion of a compressed gas The ice which deposits on the freezer The evaporation of a volatile liquid None of these The sudden expansion of a compressed gas The ice which deposits on the freezer The evaporation of a volatile liquid None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ? Great circle Hyper–parabolic Circle Parabolic Great circle Hyper–parabolic Circle Parabolic ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following group of elements are diamagnetic? Hydrogen, oxygen, Argon Argon, copper, silver Hydrogen, argon, copper Oxygen, copper, silver Hydrogen, oxygen, Argon Argon, copper, silver Hydrogen, argon, copper Oxygen, copper, silver ANSWER DOWNLOAD EXAMIANS APP
Physics Formula for distance is Velocity / speed Speed x time Time / speed Speed x acceleration Velocity / speed Speed x time Time / speed Speed x acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the cleanest source of energy? Biofuel Wind energy Fossil fuel Nuclear power Biofuel Wind energy Fossil fuel Nuclear power ANSWER DOWNLOAD EXAMIANS APP