Physics Sound becomes hazardous noise pollution at decibels? Above 30 db Above 120 db Above 50 db Above 80 db Above 30 db Above 120 db Above 50 db Above 80 db ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of heat into electrical energy is achieved by using : Ammeter Thermocouple Voltmeter Hydrometer Ammeter Thermocouple Voltmeter Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Microwaves Gamma rays Radio waves Infrared rays Microwaves Gamma rays Radio waves Infrared rays ANSWER DOWNLOAD EXAMIANS APP
Physics The rate of change of linear momentum of a body falling freely under gravity is equal to it's ________ ? Potential Energy Impulse Weight Kinetic Energy Potential Energy Impulse Weight Kinetic Energy ANSWER DOWNLOAD EXAMIANS APP
Physics Light year is a unit of Time Light Intensity of light Distance Time Light Intensity of light Distance ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle None of these Reduce the friction between ground and the whee Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle None of these Reduce the friction between ground and the whee ANSWER DOWNLOAD EXAMIANS APP