Physics A small drop of oil spreads over water because : Water has a higher surface tension Oil has a higher surface tension Oil has a higher viscosity Water has a higher viscosity Water has a higher surface tension Oil has a higher surface tension Oil has a higher viscosity Water has a higher viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? Water All of these Solar Air Water All of these Solar Air ANSWER DOWNLOAD EXAMIANS APP
Physics A pond of water appears less deep due to Diffraction Refraction Polarisation Reflection Diffraction Refraction Polarisation Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Passing alternating current through it Hammering a magnet Passing direct current through it Heating a magnet Passing alternating current through it Hammering a magnet Passing direct current through it Heating a magnet ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to measure the force and velocity of the wind is Ammeter Audiometer Altimeter Anemometer Ammeter Audiometer Altimeter Anemometer ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Convection and radiation only Conduction and radiation only Conduction, convection and radiation Conduction and convection only Convection and radiation only Conduction and radiation only Conduction, convection and radiation Conduction and convection only ANSWER DOWNLOAD EXAMIANS APP
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