Physics Radio waves sent out by a radio stations are reflected by Stratosphere Ionosphere Mesosphere Troposphere Stratosphere Ionosphere Mesosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Moist air absorbs sound Sound travels faster in moist air Sound travels slowly in moist air Moist air does not absorb sound Moist air absorbs sound Sound travels faster in moist air Sound travels slowly in moist air Moist air does not absorb sound ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Semi-conductor Super-conductor Insulator Metallic-conductor Semi-conductor Super-conductor Insulator Metallic-conductor ANSWER DOWNLOAD EXAMIANS APP
Physics The following particles move with same kinetic energy. Which of them has maximum momentum ? Proton Deutron Alpha Particle Electron Proton Deutron Alpha Particle Electron ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Hammering a magnet Heating a magnet Passing alternating current through it Passing direct current through it Hammering a magnet Heating a magnet Passing alternating current through it Passing direct current through it ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Superconductors Perfect conductors Semi conductors Dielectrics Superconductors Perfect conductors Semi conductors Dielectrics ANSWER DOWNLOAD EXAMIANS APP