Physics The dimensional formula for universal gravitational constant is M 1L3T2 ML2T–2 M–2 M–1L3T–2 M 1L3T2 ML2T–2 M–2 M–1L3T–2 ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low work function High melting point Low melting point Low resistance Low work function High melting point Low melting point Low resistance ANSWER DOWNLOAD EXAMIANS APP
Physics A decibel is The wavelength of noise A musical note A measure of sound level A musical instrument The wavelength of noise A musical note A measure of sound level A musical instrument ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in weight Air pressure decreases with decrease in height Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in weight ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals have higher thermal capacity than plastics Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals are good conductors of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Both conduction and convection Radiation Conduction Convection Both conduction and convection Radiation Conduction Convection ANSWER DOWNLOAD EXAMIANS APP