Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following causes adiabatic temperature changes in atmosphere? Deflection and advection Latent heat of condensation Expansion and compression of the air Partial absorption of solar radiation by the atmosphere Deflection and advection Latent heat of condensation Expansion and compression of the air Partial absorption of solar radiation by the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Romer Galileo Einstein Newton Romer Galileo Einstein Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a conductor of electricity ? Benzene Pure water Salt water Rubber Benzene Pure water Salt water Rubber ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules Reflection of blue sky by sea water Scattering of blue light by water molecules Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules Reflection of blue sky by sea water Scattering of blue light by water molecules ANSWER DOWNLOAD EXAMIANS APP