Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Sulphur dioxide Ozone Carbon dioxide Nitrogen Sulphur dioxide Ozone Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic hydrogen has a life period of One hour One minute A fraction of a second One day One hour One minute A fraction of a second One day ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Solar energy Geothermal energy Wind energy Tidal energy Solar energy Geothermal energy Wind energy Tidal energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? Optical microscopes Electron microscopes None of these Scanning tunneling microscopes Optical microscopes Electron microscopes None of these Scanning tunneling microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : In all directions With the speed of light Heating the medium through which it passes In a straight line In all directions With the speed of light Heating the medium through which it passes In a straight line ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument for measuring blueness of the sky or ocean is called ________ Ceraunograph Cyanometer Bathymeter Barometer Ceraunograph Cyanometer Bathymeter Barometer ANSWER DOWNLOAD EXAMIANS APP
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