Physics The waveform of a certain signal can be studied by Cathode ray oscilloscope Sonometer P – n junction diode Spectrometer Cathode ray oscilloscope Sonometer P – n junction diode Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? Marie Curie W.C Roentgen J.J Thomson James Chadwick Marie Curie W.C Roentgen J.J Thomson James Chadwick ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of change in direction of light when it passes from one medium to another is called Propagation Reflection Dispersion Refraction Propagation Reflection Dispersion Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Stratosphere Troposphere Ionosphere Mesosphere Stratosphere Troposphere Ionosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics What is the fundamental unit of amount of a substance? Meter Mole Kelvin Candela Meter Mole Kelvin Candela ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays are emitions that have Neither mass nor charge Charge but no mass Mass but no charge Both mass and charge Neither mass nor charge Charge but no mass Mass but no charge Both mass and charge ANSWER DOWNLOAD EXAMIANS APP