Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It has a very high melting point It is malleable It is a good conductor It is economical It has a very high melting point It is malleable It is a good conductor It is economical ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by An electrical spark Compressing air in the cylinders The battery Using heat from exhaust An electrical spark Compressing air in the cylinders The battery Using heat from exhaust ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Tidal energy Solar energy Geothermal energy Wind energy Tidal energy Solar energy Geothermal energy Wind energy ANSWER DOWNLOAD EXAMIANS APP
Physics Who is the first person to define speed Galileo Kepler Ptolemy Newton Galileo Kepler Ptolemy Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Radio waves sent out by a radio stations are reflected by Stratosphere Mesosphere Ionosphere Troposphere Stratosphere Mesosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics The energy emitted by the Sun is due to Nuclear fusion All of these Chemical reaction Nuclear fission Nuclear fusion All of these Chemical reaction Nuclear fission ANSWER DOWNLOAD EXAMIANS APP