2. Sample Papers
  3. 8th Class
  4. Science

8th Class Science Sample Paper Science Sample Paper-1

  • question_answer
    Choose the correct option:
    (iii) 1 hertz is equal to

    A) 1 vibration per minute      

    B) 10 vibrations per minute.

    C) 60 vibrations per minute

    D) 600 vibrations per minute

    Correct Answer: C

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