Physics Which of the following principle is used to produce ''low-temperatures' ? Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect Super conductivity Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect Super conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of Planck's constant is Js Js2 Js–2 J/s Js Js2 Js–2 J/s ANSWER DOWNLOAD EXAMIANS APP
Physics A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ? 3 metres 4 metres 1 metre 2 metres 3 metres 4 metres 1 metre 2 metres ANSWER DOWNLOAD EXAMIANS APP
Physics For which Diode is used ? Purification Amplification Oscillation Modulation Purification Amplification Oscillation Modulation ANSWER DOWNLOAD EXAMIANS APP
Physics Force of impact is the force When the objects meet None of these By the speed of the object By the objects weight When the objects meet None of these By the speed of the object By the objects weight ANSWER DOWNLOAD EXAMIANS APP
Physics Necessary element of change in solar energy to electrical energy Silicon Pure Copper Berillium Tantelum Silicon Pure Copper Berillium Tantelum ANSWER DOWNLOAD EXAMIANS APP