Physics The device which converts AC to DC is Rectifier Amplifier None of these Oscillator Rectifier Amplifier None of these Oscillator ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Thermo-electric effect Super conductivity Joule-Kelvin effect Adiabatic demagnetisation Thermo-electric effect Super conductivity Joule-Kelvin effect Adiabatic demagnetisation ANSWER DOWNLOAD EXAMIANS APP
Physics If the earth suddenly stop rotating, the value of "g" will be Become Zero Increase Same Decrease Become Zero Increase Same Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics What is the phenomenon which established the transverse nature of light ? Diffraction Reflection Interference Polarisation Diffraction Reflection Interference Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 11.2 km/sec 18 km/sec 21 km/sec 35 km/sec 11.2 km/sec 18 km/sec 21 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of different masses are dropped simultaneously from the top of a building Both the stones reach the ground at the same time Depends on the composition of the stone Smaller stone reaches the ground earlier Larger stone reaches the ground earlier Both the stones reach the ground at the same time Depends on the composition of the stone Smaller stone reaches the ground earlier Larger stone reaches the ground earlier ANSWER DOWNLOAD EXAMIANS APP