Physics Which of the following is not true about X-rays? Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Adiabatic demagnetisation Super conductivity Thermo-electric effect Joule-Kelvin effect Adiabatic demagnetisation Super conductivity Thermo-electric effect Joule-Kelvin effect ANSWER DOWNLOAD EXAMIANS APP
Physics When an atom loses an electron it becomes Positive ion Negative ion Neutron None of these Positive ion Negative ion Neutron None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Kilowatt-hour is the unit of : Energy Momentum Power Force Energy Momentum Power Force ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for measuring the wavelength of X-rays is G.M. Counter Bragg Spectrometer Cyclotron Mass Spectrometer G.M. Counter Bragg Spectrometer Cyclotron Mass Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Troposphere Ionosphere Ozonosphere Stratosphere Troposphere Ionosphere Ozonosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
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