Physics Instrument used to study the behaviour of a vibrating string is : Hydrometer Sonometer Hygrometer Barometer Hydrometer Sonometer Hygrometer Barometer ANSWER DOWNLOAD EXAMIANS APP
Physics Among the following materials sound travels fastest in Air Steel Vacuum Water Air Steel Vacuum Water ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 30 db Above 80 db Above 120 db Above 50 db Above 30 db Above 80 db Above 120 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of intensity of sound? Decibel Tesla Heartz Newton Decibel Tesla Heartz Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Sound cannot pass through Vacuum Air Water Steel Vacuum Air Water Steel ANSWER DOWNLOAD EXAMIANS APP