Physics Bolometer is used to measure Frequency Velocity Temperature Wavelength Frequency Velocity Temperature Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? J.J Thomson James Chadwick Marie Curie W.C Roentgen J.J Thomson James Chadwick Marie Curie W.C Roentgen ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Thermo-electric effect Joule-Kelvin effect Super conductivity Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect Super conductivity Adiabatic demagnetisation ANSWER DOWNLOAD EXAMIANS APP
Physics Electrons carry a Negative Charge Variable Charge Neutral Charge Positive Charge Negative Charge Variable Charge Neutral Charge Positive Charge ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts AC to DC is Rectifier Amplifier None of these Oscillator Rectifier Amplifier None of these Oscillator ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The exposure time The focal length of the lens Size of the camera The aperture The exposure time The focal length of the lens Size of the camera The aperture ANSWER DOWNLOAD EXAMIANS APP