Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit radio waves visible light ultraviolet light X-rays radio waves visible light ultraviolet light X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with Constant acceleration Constant velocity Constant speed Varying acceleration Constant acceleration Constant velocity Constant speed Varying acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Air pressure decreases with decrease in height Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it Air pressure decreases with decrease in height Air pressure decreases with decrease in weight Weight of the balloon is less than the weight of air displaced by it. The pressure inside the balloon is more than the pressure outside it ANSWER DOWNLOAD EXAMIANS APP
Physics Erg cross Sec is the unit of Linear Momentum Angular momentum Planck's constant Energy Linear Momentum Angular momentum Planck's constant Energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Microscope Telescope Photometer Spectrometer Microscope Telescope Photometer Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics In superconductors, the energy gap is due to Electron-electron interaction Phonon-phonon interaction Electron-photon intercation Electron-phonon interaction Electron-electron interaction Phonon-phonon interaction Electron-photon intercation Electron-phonon interaction ANSWER DOWNLOAD EXAMIANS APP