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 Water Vacuum Steel Air Water Vacuum Steel Air ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 30 db Above 50 db Above 80 db Above 120 db Above 30 db Above 50 db Above 80 db Above 120 db ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of intensity of sound? Decibel Newton Tesla Heartz Decibel Newton Tesla Heartz ANSWER DOWNLOAD EXAMIANS APP
Physics Sound cannot pass through Vacuum Water Steel Air Vacuum Water Steel Air ANSWER DOWNLOAD EXAMIANS APP
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