Physics Oil rises up the wick in a lamp because 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 Oil is very light Of the diffusion of oil through the wick ANSWER DOWNLOAD EXAMIANS APP
Physics Red is used as an emergency or danger signal as It is scattered Its wavelength is the longest It has very high energy It is a striking colour It is scattered Its wavelength is the longest It has very high energy It is a striking colour 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: Both the heating effect of current and hysteresis loss Hysteresis loss alone The heating effect of current alone Intense sunlight at noon Both the heating effect of current and hysteresis loss Hysteresis loss alone The heating effect of current alone Intense sunlight at noon ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity "Inductance"? Tesla Weber Henry Farad Tesla Weber Henry Farad ANSWER DOWNLOAD EXAMIANS APP
Physics Bats can sense obstacles because they produce Micro sound waves Supersonic sound waves Infrasonic sound waves Ultrasonic sound waves Micro sound waves Supersonic sound waves Infrasonic sound waves Ultrasonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Is independent of its velocity. Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Is independent of its velocity. Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. ANSWER DOWNLOAD EXAMIANS APP
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