Physics Which of the following principle is used to produce ''low-temperatures' ? Super conductivity Joule-Kelvin effect Adiabatic demagnetisation Thermo-electric effect Super conductivity Joule-Kelvin effect Adiabatic demagnetisation Thermo-electric effect ANSWER DOWNLOAD EXAMIANS APP
Physics Isotopes of an element contain the same number of protons but different number of neutrons equal number of nucleons the same number of neutrons but different number of protons equal number of protons and electrons the same number of protons but different number of neutrons equal number of nucleons the same number of neutrons but different number of protons equal number of protons and electrons ANSWER DOWNLOAD EXAMIANS APP
Physics What is the fundamental unit of amount of a substance? Kelvin Mole Meter Candela Kelvin Mole Meter Candela ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of a musical note depends on Amplitude of the wave Fundamental frequency Velocity of sound in the medium Harmonics present Amplitude of the wave Fundamental frequency Velocity of sound in the medium Harmonics present ANSWER DOWNLOAD EXAMIANS APP
Physics In spherical polar coordinates (l, q, a), q denotes the polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by Pcosq sina Pcosq cosa Psinq sina Psinq cosa Pcosq sina Pcosq cosa Psinq sina Psinq cosa ANSWER DOWNLOAD EXAMIANS APP
Physics What colour does blue and yellow make? Red Black Green White Red Black Green White ANSWER DOWNLOAD EXAMIANS APP