Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? Their lungs are very large They have extra air sacs They use less oxygen They fly inactively Their lungs are very large They have extra air sacs They use less oxygen They fly inactively ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may cause hydrolysis It may spoil the wiring It may cause electrolysis It may cause electrocution It may cause hydrolysis It may spoil the wiring It may cause electrolysis It may cause electrocution ANSWER DOWNLOAD EXAMIANS APP
Physics For a freely falling body, the sum of kinetic energy and potential energy is always Unity Zero Variable Same Unity Zero Variable Same ANSWER DOWNLOAD EXAMIANS APP
Physics Energy in reflected light : Becomes maximum for angle of incidence equal to 45° Does not depends on the angle of incidence Decreases with the increase in angle of incidence Increases with the increase in angle Becomes maximum for angle of incidence equal to 45° Does not depends on the angle of incidence Decreases with the increase in angle of incidence Increases with the increase in angle ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following never occurs singly in nature? Momentum Velocity Inertia Force Momentum Velocity Inertia Force ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency used in TV and radar system lies in VHF UHF HF SHF VHF UHF HF SHF ANSWER DOWNLOAD EXAMIANS APP
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