6th Class Science Motion Question Bank Motion And Measurement

  • question_answer Which of the following statement(s) is/are correct?

    A) An early device used for measuring time was sand glass.

    B) An early device used for measuring time was sundial.

    C) An early device used for measuring time was atomic clock.

    D) An early device used for measuring time was pendulum clock.

    Correct Answer: B

    Solution :

       

adversite


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

Free
Videos