Physics When hot-water is sprinkled on a hotter glass tumbler, it breaks because Glass suddenly expands Glass suddenly contracts Water evaporates Glass reacts chemically with water Glass suddenly expands Glass suddenly contracts Water evaporates Glass reacts chemically with water ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Atomic absorption Atomic emission Electron absorption Electron emission Atomic absorption Atomic emission Electron absorption Electron emission ANSWER DOWNLOAD EXAMIANS APP
Physics Necessary element of change in solar energy to electrical energy Silicon Tantelum Berillium Pure Copper Silicon Tantelum Berillium Pure Copper ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by Using heat from exhaust Compressing air in the cylinders The battery An electrical spark Using heat from exhaust Compressing air in the cylinders The battery An electrical spark ANSWER DOWNLOAD EXAMIANS APP
Physics Infrasonic sound has a frequency lower than 32 Hz 5 Hz 20 Hz 15 Hz 32 Hz 5 Hz 20 Hz 15 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is 3 × 10–8 m/s 8 × 103 m/s 3 × 108 m/s Infinity 3 × 10–8 m/s 8 × 103 m/s 3 × 108 m/s Infinity ANSWER DOWNLOAD EXAMIANS APP
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