Physics In a refrigerator what produces the cooling ? None of these The ice which deposits on the freezer The sudden expansion of a compressed gas The evaporation of a volatile liquid None of these The ice which deposits on the freezer The sudden expansion of a compressed gas The evaporation of a volatile liquid ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Tidal energy Geothermal energy Wind energy Solar energy Tidal energy Geothermal energy Wind energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of : 2750 J 275 J 110 J 110 J 2750 J 275 J 110 J 110 J ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic hydrogen has a life period of A fraction of a second One hour One minute One day A fraction of a second One hour One minute One day ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Decreases Depends upon the metal Unchanged Increases Decreases Depends upon the metal Unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Physics A pond of water appears less deep due to Diffraction Polarisation Reflection Refraction Diffraction Polarisation Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
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