Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Remain unaffected Have its shape changed Increase Decrease Remain unaffected Have its shape changed Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics Alpha particle is the nucleus of an atom of Lithium Oxygen Helium Hydrogen Lithium Oxygen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Physics In superconductors, the energy gap is due to Phonon-phonon interaction Electron-photon intercation Electron-electron interaction Electron-phonon interaction Phonon-phonon interaction Electron-photon intercation Electron-electron interaction Electron-phonon interaction ANSWER DOWNLOAD EXAMIANS APP
Physics Due to temperature variation along a conductor, potential variation occurs along it. This phenomenon is known as Seebeck effect Joule effect Peltier effect Thomson effect Seebeck effect Joule effect Peltier effect Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: All of these They have high melting point. The atoms are lightly packed. They contain free electrons. All of these They have high melting point. The atoms are lightly packed. They contain free electrons. ANSWER DOWNLOAD EXAMIANS APP
Physics Buoyancy depends on The shaped of the body The mass of the liquid displaced The depth to which the body is immersed The mass of the body The shaped of the body The mass of the liquid displaced The depth to which the body is immersed The mass of the body ANSWER DOWNLOAD EXAMIANS APP
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