2. Sample Papers
  3. 9th Class
  4. General Knowledge

9th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-16

  • question_answer
          The 'Black Hole' was first made known by:

    A)  Herman Bandy 

    B)  Megh Nath Saha

    C)  S. Chandrashekhar        

    D)  J.V. Narlikar

    E)  None of these

    Correct Answer: C

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