Physics Conservation of energy refers to the fact that Energy cannot be created or destroyed but can be converted from one form to another No chemical reaction is 100 percent efficient The entropy of the universe is always increasing If you conserve energy you will not be as tired Energy cannot be created or destroyed but can be converted from one form to another No chemical reaction is 100 percent efficient The entropy of the universe is always increasing If you conserve energy you will not be as tired ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to reflection Due to refraction Due to diffraction Due to total internal reflection Due to reflection Due to refraction Due to diffraction Due to total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts DC to AC Is used to decrease or increase AC voltage Converts electrical energy into mechanical energy Converts AC voltage to D.C. voltage Converts DC to AC Is used to decrease or increase AC voltage Converts electrical energy into mechanical energy Converts AC voltage to D.C. voltage ANSWER DOWNLOAD EXAMIANS APP
Physics The sudden fall of atmospheric pressure indicates Rain Cold weather Storm Fair weather Rain Cold weather Storm Fair weather ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of simple harmonic motion? Motion of a ceiling fan Simple pendulum motion Earth spinning on its axis Ball bouncing on floor Motion of a ceiling fan Simple pendulum motion Earth spinning on its axis Ball bouncing on floor ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation ANSWER DOWNLOAD EXAMIANS APP
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