Physics Metals are good conductors of electricity because: All of these The atoms are lightly packed. They have high melting point. They contain free electrons. All of these The atoms are lightly packed. They have high melting point. They contain free electrons. ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : The electrons have more energy than the light particles It uses more powerful lenses The velocity of electron is smaller than that of visible light The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles It uses more powerful lenses The velocity of electron is smaller than that of visible light The wavelength of electrons is smaller as compared to the wavelength of visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of which glass Cobalt glass Pyrex glass Flint glass Ordinary glass Cobalt glass Pyrex glass Flint glass Ordinary glass ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Convection and radiation only Conduction and convection only Conduction and radiation only Conduction, convection and radiation Convection and radiation only Conduction and convection only Conduction and radiation only Conduction, convection and radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the discovery of ''Expanding Universe"? Edwin Hubble S Chandra Shekhar Niels Bohr V Raman Edwin Hubble S Chandra Shekhar Niels Bohr V Raman ANSWER DOWNLOAD EXAMIANS APP
Physics Matter waves are Electromagnetic waves De Broglie waves Longitudinal waves Transverse waves Electromagnetic waves De Broglie waves Longitudinal waves Transverse waves ANSWER DOWNLOAD EXAMIANS APP