Physics Where does hydroelectric energy come from? Air Solar Water All of these Air Solar Water All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which sources produce alternating current (AC)? Solar power plants All of these Hydro-electric generators Batteries Solar power plants All of these Hydro-electric generators Batteries ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels at the fastest speed in: glass hydrogen water vacuum glass hydrogen water vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : (3/4)f (7/3)f F (4/3)f (3/4)f (7/3)f F (4/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Absorption of other colours except blue by water molecules Reflection of blue sky by sea water Reflection of blue light by impurities in sea water Scattering of blue light by water molecules Absorption of other colours except blue by water molecules Reflection of blue sky by sea water Reflection of blue light by impurities in sea water Scattering of blue light by water molecules ANSWER DOWNLOAD EXAMIANS APP
Physics Rate of change of momentum is Force Pressure Velocity Area Force Pressure Velocity Area ANSWER DOWNLOAD EXAMIANS APP
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