Physics Light travels at the fastest speed in: vacuum water glass hydrogen vacuum water glass hydrogen ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Regulator Switch Rectifier Amplifier Regulator Switch Rectifier Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Galileo Copernicus Johannes Kepler Martin Luther Galileo Copernicus Johannes Kepler Martin Luther ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Speaker Transmitter Microphone Amplifier Speaker Transmitter Microphone Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is Reflection Dispersion Diffraction Interference Reflection Dispersion Diffraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics For Gamma radiation, what stops its penetrating abilities? Steal Lead Concrete All of these Steal Lead Concrete All of these ANSWER DOWNLOAD EXAMIANS APP
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