Physics Which tube used to produce X-ray? X-ray tube Roentgen None of these Coolidge tube X-ray tube Roentgen None of these Coolidge tube ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays are emitions that have Charge but no mass Both mass and charge Neither mass nor charge Mass but no charge Charge but no mass Both mass and charge Neither mass nor charge Mass but no charge ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts AC to DC is None of these Rectifier Amplifier Oscillator None of these Rectifier Amplifier Oscillator ANSWER DOWNLOAD EXAMIANS APP
Physics The basic reason for the extraordinary sparkle of suitably cut diamond is that It has a very high transparency It has a very high refractive index It has well defined cleavage planes It is very hard It has a very high transparency It has a very high refractive index It has well defined cleavage planes It is very hard ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer above the surface of Earth provides a shield against X-rays Ultra-violet rays Infra-red rays Gamma rays X-rays Ultra-violet rays Infra-red rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest frequency? Radio waves Microwaves X-rays Cosmic rays Radio waves Microwaves X-rays Cosmic rays ANSWER DOWNLOAD EXAMIANS APP