Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 336 J 4.2 J 2268 J 80 J 336 J 4.2 J 2268 J 80 J ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Passing direct current through it Passing alternating current through it Hammering a magnet Heating a magnet Passing direct current through it Passing alternating current through it Hammering a magnet Heating a magnet ANSWER DOWNLOAD EXAMIANS APP
Physics Red light has a wavelength of 70 A°. In "nm" it is 700 nm 0.07 nm 70 nm 7 nm 700 nm 0.07 nm 70 nm 7 nm 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 photo-electric cell converts Mechanical energy to electric energy Heat energy to mechanical energy Light energy to electrical energy Light energy to chemical energy Mechanical energy to electric energy Heat energy to mechanical energy Light energy to electrical energy Light energy to chemical energy ANSWER DOWNLOAD EXAMIANS APP
Physics A photostat machine works on Magnetic image making Thermal image making Electromagnetic image making Electrostatic image making Magnetic image making Thermal image making Electromagnetic image making Electrostatic image making ANSWER DOWNLOAD EXAMIANS APP
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