Physics Sound becomes hazardous noise pollution at decibels? Above 50 db Above 120 db Above 30 db Above 80 db Above 50 db Above 120 db Above 30 db Above 80 db ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels at the fastest speed in: vacuum hydrogen water glass vacuum hydrogen water glass ANSWER DOWNLOAD EXAMIANS APP
Physics The ordinary and maximum tolerance limit of sound by human being is 50 db to 70 db (decibel) 65 db to 75 db (decibel) 60 db to 80 db (decibel) 70 db to 85 db (decibel) 50 db to 70 db (decibel) 65 db to 75 db (decibel) 60 db to 80 db (decibel) 70 db to 85 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
Physics Addition of suitable impurities into semiconductor, is called Forming Diluting Doping Mixing Forming Diluting Doping Mixing ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river what will be the effect? It rises a little It sways It lowers It jolts It rises a little It sways It lowers It jolts ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Sone Phon Decibel Hertz Sone Phon Decibel Hertz ANSWER DOWNLOAD EXAMIANS APP