Physics Sound becomes hazardous noise pollution at decibels? Above 50 db Above 30 db Above 120 db Above 80 db Above 50 db Above 30 db Above 120 db Above 80 db ANSWER DOWNLOAD EXAMIANS APP
Physics If the current flowing through a circuit is 0.6 A for 6 mins, the amount of electric charge flowing through it is ________ 216 C 36 C 360C 60 C 216 C 36 C 360C 60 C ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Speaker Transmitter Amplifier Microphone Speaker Transmitter Amplifier Microphone ANSWER DOWNLOAD EXAMIANS APP
Physics The alluminating powers of two sources are compared by A polarimeter A fluxmeter A spectrometer A photometer A polarimeter A fluxmeter A spectrometer A photometer ANSWER DOWNLOAD EXAMIANS APP
Physics Weight of a body is maximum at the: Pole Tropics Subtropics Equator Pole Tropics Subtropics Equator ANSWER DOWNLOAD EXAMIANS APP
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