Physics Atomic hydrogen has a life period of One minute A fraction of a second One day One hour One minute A fraction of a second One day One hour ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? Roentgen Coolidge tube X-ray tube None of these Roentgen Coolidge tube X-ray tube None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Pipelines contract in their volume Pipelines expand due to freezing Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines contract in their volume Pipelines expand due to freezing Temperature of ice is less than that of water Water freezes and expands in its volume ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following instruments is used to measure humidity ? Sling Psychrometer Clinical Thermometer Kata Thermometer Anemometer Sling Psychrometer Clinical Thermometer Kata Thermometer Anemometer ANSWER DOWNLOAD EXAMIANS APP
Physics Rectifiers are used to convert: High voltage to low voltage Direct current to Alternating current Alternating current to Direct current Low voltage to high voltage High voltage to low voltage Direct current to Alternating current Alternating current to Direct current Low voltage to high voltage ANSWER DOWNLOAD EXAMIANS APP