Physics Fibre optics work on the principle of Total internal reflection Optical rotation Total internal absorption Scattering of light Total internal reflection Optical rotation Total internal absorption Scattering of light ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Tidal energy Geothermal energy Solar energy Wind energy Tidal energy Geothermal energy Solar energy Wind energy 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 A white and smooth surface is Good absorber and good reflector of heat Bad absorber and bad reflector of heat Bad absorber and good reflector of heat Good absorber and bad reflector of heat Good absorber and good reflector of heat Bad absorber and bad reflector of heat Bad absorber and good reflector of heat Good absorber and bad reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher pitch when train arrives Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher pitch when train arrives ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS