Physics Green house effect is the heating up of the Earth's atmosphere which is due to G-rays The ultraviolet rays The infra-red rays X-rays G-rays The ultraviolet rays The infra-red rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics What is the force of attraction between any two bodies by virtue of their masses is called? Electromagnetic Force Gravitational Force Nuclear Force Centripetal Force Electromagnetic Force Gravitational Force Nuclear Force Centripetal Force ANSWER DOWNLOAD EXAMIANS APP
Physics Steel is more elastic than rubber because it : Is harder than rubber Is deformed very easily Requires larger deforming force Is never deformed Is harder than rubber Is deformed very easily Requires larger deforming force Is never deformed ANSWER DOWNLOAD EXAMIANS APP
Physics In mirrors the back surface is coated with a thin layer of : Mercury Red oxide Silver Silver nitrate Mercury Red oxide Silver Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Physics Even after sunset, the air near the Earth's surface continue to receive heat due to Conduction Insolation Terrestrial Radiation Convection Conduction Insolation Terrestrial Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Photodiode Thermocouple Heliostats Photovoltaic cell Photodiode Thermocouple Heliostats Photovoltaic cell ANSWER DOWNLOAD EXAMIANS APP
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