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
Physics Stationary wave is formed by Two waves of same frequency travelling in the opposite direction Two waves of same frequency travelling in the same direction A transverse wave superposing a longitudinal wave Two waves of the same speed superposing Two waves of same frequency travelling in the opposite direction Two waves of same frequency travelling in the same direction A transverse wave superposing a longitudinal wave Two waves of the same speed superposing ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of temperature? Fahrenheit Joule Kelvin Celsius Fahrenheit Joule Kelvin Celsius ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel in Glass Hydrogen gas Water Vacuum Glass Hydrogen gas Water Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of : 110 J 275 J 2750 J 110 J 110 J 275 J 2750 J 110 J ANSWER DOWNLOAD EXAMIANS APP
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