UPSC Geography Interior of the earth Question Bank Universe and Our Planet Earth

  • question_answer The principle of Black hole was enunciated by

    A)  C.V. Raman

    B)  H.J. Bhabha

    C)  S. Chandrashekhar

    D)  H. Khurana

    Correct Answer: C

    Solution :

     The principle of Black hole was enunciated by S. Chandrashekhar. A Black Hole is a region of space-time from which gravity prevents anything, including light, from escaping. The theory of general relativity predicts that a sufficiently compact mass will deform space time to form a black hole. Around a black hole, there is a mathematically defined surface called an event horizon that marks the point of no return. The hole is called "black" because it absorbs all the light that hits the horizon, reflecting nothing, just like a perfect black body in thermodynamics.

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