UPSC Geography The origin and evolution of the earth Question Bank Universe / Sun / Planets / Earth

  • question_answer ) Which one of the following is an object with such a strong gravitational field that even light cannot escape from its surface?            [NDA 2009-I]

    A)  Neutron Star

    B)  White Dwarf

    C)  Black hole

    D)  Supernova Star

    Correct Answer: C

    Solution :

     Black holes are objects of extreme density, with such strong gravitational attraction that even light cannot of escape from their grasp if it comes near enough The term "black hole" was coined in 1967 by John Wheeler.

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