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    Question

    Which of the following pairs is not correctly

    matched?
    A X-ray: Roentgen Correct Answer Incorrect Answer
    B Radioactivity: Becquerel Correct Answer Incorrect Answer
    C Microscope: Galileo Correct Answer Incorrect Answer
    D Oxygen: Joseph Priestley Correct Answer Incorrect Answer

    Solution

    Galileo improved the telescope, not the microscope (credited to Zacharias Janssen or Antonie van Leeuwenhoek). 

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