Physics Decibel is the unit used for Speed of light Intensity of sound Intensity of heat Radio wave frequency Speed of light Intensity of sound Intensity of heat Radio wave frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of ships spacecraft aircraft sound ships spacecraft aircraft sound ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer above the surface of Earth provides a shield against Ultra-violet rays Infra-red rays Gamma rays X-rays Ultra-violet rays Infra-red rays Gamma rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Among the following materials sound travels fastest in Air Water Steel Vacuum Air Water Steel Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Who defined the law of gravitation ? Galileo Archimedes Faraday Newton Galileo Archimedes Faraday Newton ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Copernicus Martin Luther Johannes Kepler Galileo Copernicus Martin Luther Johannes Kepler Galileo ANSWER DOWNLOAD EXAMIANS APP
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