Physics Sound becomes hazardous noise pollution at decibels? Above 80 db Above 120 db Above 50 db Above 30 db Above 80 db Above 120 db Above 50 db Above 30 db ANSWER DOWNLOAD EXAMIANS APP
Physics Waves that are required for long distance wireless communication are Ultraviolet rays Microwaves Infrared rays Radio waves Ultraviolet rays Microwaves Infrared rays Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics As water is cooled from 4 deg C to 0 deg C, its density Decreases Remains same None of these Increases Decreases Remains same None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Physics The capacity of a water heater is measured in Both A & B Litres Gallons Metres Both A & B Litres Gallons Metres ANSWER DOWNLOAD EXAMIANS APP
Physics In a ________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation Transverse Field Rolling Longitudinal Transverse Field Rolling Longitudinal ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts electrical energy into mechanical energy Converts DC to AC Converts AC voltage to D.C. voltage Is used to decrease or increase AC voltage Converts electrical energy into mechanical energy Converts DC to AC Converts AC voltage to D.C. voltage Is used to decrease or increase AC voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS