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