Physics The threshold frequency is the frequency below which : Photo current is constant Photo electric emission is not possible Photo current decreases with voltage Photo current increases with voltage Photo current is constant Photo electric emission is not possible Photo current decreases with voltage Photo current increases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics For a ray of light to suffer total internal reflection it has to pass from : Water to glass Air to water Air to glass Glass to water Water to glass Air to water Air to glass Glass to water ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Moist air absorbs sound Sound travels faster in moist air Sound travels slowly in moist air Moist air does not absorb sound Moist air absorbs sound Sound travels faster in moist air Sound travels slowly in moist air Moist air does not absorb sound ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may cause electrocution It may spoil the wiring It may cause hydrolysis It may cause electrolysis It may cause electrocution It may spoil the wiring It may cause hydrolysis It may cause electrolysis ANSWER DOWNLOAD EXAMIANS APP
Physics When a body is accelerated, then the velocity will be also Decrease Increase Constant None of these Decrease Increase Constant None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which conservation principle is applicable in the case of the motion of a rocket? Conservation of energy Conservation of momentum Conservation of charge Conservation of mass Conservation of energy Conservation of momentum Conservation of charge Conservation of mass ANSWER DOWNLOAD EXAMIANS APP
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