Physics Which one of the following animals can hear ultrasonic sound ? Cat Bat Squirrel Rat Cat Bat Squirrel Rat ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Intense sunlight at noon Hysteresis loss alone Both the heating effect of current and hysteresis loss The heating effect of current alone Intense sunlight at noon Hysteresis loss alone Both the heating effect of current and hysteresis loss The heating effect of current alone ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Oil is very light Of the diffusion of oil through the wick Of the capillary action phenomenon Of the surface tension phenomenon Oil is very light Of the diffusion of oil through the wick Of the capillary action phenomenon Of the surface tension phenomenon ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Reflect lights of different colours Refract light of different colours Dispense light into component colours Transmit or absorb light of different colours Reflect lights of different colours Refract light of different colours Dispense light into component colours Transmit or absorb light of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel in Hydrogen gas Water Glass Vacuum Hydrogen gas Water Glass Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water Decreases rapidly Decreases slightly Increases slightly Increases to a great extent Decreases rapidly Decreases slightly Increases slightly Increases to a great extent ANSWER DOWNLOAD EXAMIANS APP
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