Physics Ozone layer above the surface of Earth provides a shield against Gamma rays Ultra-violet rays X-rays Infra-red rays Gamma rays Ultra-violet rays X-rays Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Phon Decibel Hertz Sone Phon Decibel Hertz Sone ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole No change First increases and than decreases Increases Decreases No change First increases and than decreases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics The unit for measuring electric power is the Watts Volts Steridian Watts Watts Volts Steridian Watts ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument for measuring intensity of earthquakes is called Ediograph Seismograph Ergograph Pantagraph Ediograph Seismograph Ergograph Pantagraph ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction, convection and radiation Conduction and radiation only Conduction and convection only Convection and radiation only Conduction, convection and radiation Conduction and radiation only Conduction and convection only Convection and radiation only ANSWER DOWNLOAD EXAMIANS APP
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