Physics Instrument used to study the behaviour of a vibrating string is : Barometer Sonometer Hydrometer Hygrometer Barometer Sonometer Hydrometer Hygrometer 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: Hysteresis loss alone The heating effect of current alone Both the heating effect of current and hysteresis loss Intense sunlight at noon Hysteresis loss alone The heating effect of current alone Both the heating effect of current and hysteresis loss Intense sunlight at noon ANSWER DOWNLOAD EXAMIANS APP
Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Dipole interaction Hydrogen bond formation Covalent attraction Vander waals forces Dipole interaction Hydrogen bond formation Covalent attraction Vander waals forces ANSWER DOWNLOAD EXAMIANS APP
Physics What is the source of energy for the water cycle? Sun Animals Rain water Clouds Sun Animals Rain water Clouds ANSWER DOWNLOAD EXAMIANS APP
Physics If an object moves with constant velocity, It must have constant speed It must have constant speed in constant direction None of these It must have constant direction It must have constant speed It must have constant speed in constant direction None of these It must have constant direction ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a lower density than metals metals have higher thermal capacity than plastics metals are good conductor of heat plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals have higher thermal capacity than plastics metals are good conductor of heat plastics have a higher thermal conductivity than metals ANSWER DOWNLOAD EXAMIANS APP
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