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 Which of the following produces more severe burns ? Steam Boiling water Hot water Melting iceberg Steam Boiling water Hot water Melting iceberg ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves in air are transverse polarised electromagnetic longitudinal transverse polarised electromagnetic longitudinal ANSWER DOWNLOAD EXAMIANS APP
Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because There is no air or any other gas in the bell jar The ringing is not loud enough The bell jar is too small The glass of the bell jar absorbs the sound waves There is no air or any other gas in the bell jar The ringing is not loud enough The bell jar is too small The glass of the bell jar absorbs the sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon dating technique is used to estimate the age of rocks monuments fossils soil rocks monuments fossils soil ANSWER DOWNLOAD EXAMIANS APP
Physics In the Earth, the weight of a body is maximum at the Surface Equator South Pole North Pole Surface Equator South Pole North Pole ANSWER DOWNLOAD EXAMIANS APP
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