2. Questions Bank
  3. Railways
  4. Basic Science and Engineering
  5. Units and Measurements / मात्रक और मापन

Railways Basic Science and Engineering Units and Measurements / मात्रक और मापन Question Bank Unit and Measurements

  • question_answer
    One second is defined to be equal to

    A) 1650763.73 periods of the Krypton clock

    B) 652189.63 periods of the Krypton clock

    C) 1650763.73 periods of the Cesium clock

    D) 9192631770 periods of the Cesium clock

    Correct Answer: D

You need to login to perform this action.
You will be redirected in 3 sec spinner