Physics Which of the following principle is used to produce ''low-temperatures' ? Adiabatic demagnetisation Joule-Kelvin effect Thermo-electric effect Super conductivity Adiabatic demagnetisation Joule-Kelvin effect Thermo-electric effect Super conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics What part of the atom has a positive charge? Neutron Proton Electron All listed here Neutron Proton Electron All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves are transverse waves Electromagnetic waves do not show interference and diffraction. Electromagnetic waves do not require a medium to propagate. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves are transverse waves ANSWER DOWNLOAD EXAMIANS APP
Physics The absorption of ink by blotting paper involves: Diffusion of ink through the blotting Capillary action phenomenon Siphon action Viscosity of ink Diffusion of ink through the blotting Capillary action phenomenon Siphon action Viscosity of ink ANSWER DOWNLOAD EXAMIANS APP
Physics Knot is a measure of The speed of ship Intensity of earthquake shock Solar radiation The curvature of spherical objects The speed of ship Intensity of earthquake shock Solar radiation The curvature of spherical objects ANSWER DOWNLOAD EXAMIANS APP
Physics What is found in frequency modulation ? Change in dimension only Fixed frequency Fixed dimension Change in frequency and dimension Change in dimension only Fixed frequency Fixed dimension Change in frequency and dimension ANSWER DOWNLOAD EXAMIANS APP