6th Class Science Sample Paper Science Olympiad Model Test Paper-10

  • question_answer
    Speed of light in vacuum is:

    A) \[3\times {{10}^{8}}\,\,km/h\]

    B) \[3\times {{10}^{8}}\,\,m/s\]

    C) \[3\times {{10}^{8}}\,\,m/h\]    

    D) \[3\times {{10}^{2}}\,\,m/s\]

    E) None of these

    Correct Answer: B


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