Physics The device used for measuring the wavelength of X-rays is G.M. Counter Mass Spectrometer Cyclotron Bragg Spectrometer G.M. Counter Mass Spectrometer Cyclotron Bragg Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Natural radioactivity was discovered by Earnest Rutherford Enrico Fermi Henry Bacquerel Marie Curie Earnest Rutherford Enrico Fermi Henry Bacquerel Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is More than one Zero One Less than one More than one Zero One Less than one ANSWER DOWNLOAD EXAMIANS APP
Physics Radio waves sent out by a radio stations are reflected by Mesosphere Stratosphere Troposphere Ionosphere Mesosphere Stratosphere Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Planck's constant has the dimensions of : Linear momentum Force Energy Angular momentum Linear momentum Force Energy Angular momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Energy travels from Sun to Earth through Conduction Modulation Radiation Convection Conduction Modulation Radiation Convection ANSWER DOWNLOAD EXAMIANS APP