Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 2268 J 336 J 4.2 J 80 J 2268 J 336 J 4.2 J 80 J ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? Size of the camera The aperture The focal length of the lens The exposure time Size of the camera The aperture The focal length of the lens The exposure time ANSWER DOWNLOAD EXAMIANS APP
Physics Rain drops fall from great height. Which among the following statements is true regarding it? They fall with same ultimate velocity Their velocity increases and they fall with different velocity on the earth Their velocity increases and they fall with same velocity on the earth They fall with that ultimate velocity, which are different for different droplets They fall with same ultimate velocity Their velocity increases and they fall with different velocity on the earth Their velocity increases and they fall with same velocity on the earth They fall with that ultimate velocity, which are different for different droplets ANSWER DOWNLOAD EXAMIANS APP
Physics A multimeter is used to measure Voltage All of these Current Resistance Voltage All of these Current Resistance ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics Eddy current is generated by Conduction Convection Induction Direct Current Conduction Convection Induction Direct Current ANSWER DOWNLOAD EXAMIANS APP