Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Infrasonics Megasonics Audible sounds Ultrasonics Infrasonics Megasonics Audible sounds Ultrasonics ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Source Amplitude Speed Medium Source Amplitude Speed Medium ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Infrared rays Radio waves Microwaves Gamma rays Infrared rays Radio waves Microwaves Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics One nanometer is equal to 10-9m 10-5m 10-8m 10-6m 10-9m 10-5m 10-8m 10-6m ANSWER DOWNLOAD EXAMIANS APP
Physics The metal whose electrical conductivity is more, is Lead Copper Silver Aluminium Lead Copper Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee Increase the friction between the wheel and the axle None of these Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee Increase the friction between the wheel and the axle None of these ANSWER DOWNLOAD EXAMIANS APP
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