Physics Metals are good conductors of electricity because: They have high melting point. The atoms are lightly packed. All of these They contain free electrons. They have high melting point. The atoms are lightly packed. All of these They contain free electrons. ANSWER DOWNLOAD EXAMIANS APP
Physics The Solar energy produced by None Combustion reaction Fusion reaction Fission reaction None Combustion reaction Fusion reaction Fission reaction ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Circular plate Sphere All will cool at the same rate Cube Circular plate Sphere All will cool at the same rate Cube ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Formation of impure spectra Principle of complementary colour Formation of pure spectra Persistence of vision Formation of impure spectra Principle of complementary colour Formation of pure spectra Persistence of vision ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Current unloader Heat protector Surge protector Voltage unloader Current unloader Heat protector Surge protector Voltage unloader ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? All of these Solar Water Air All of these Solar Water Air ANSWER DOWNLOAD EXAMIANS APP
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