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UPSC Geography Interior of the Earth / पृथ्वी का आंतरिक भाग Question Bank Universe and Our Planet Earth

  • question_answer
    An instrument to measure the amount of brightness of sunshine received at a point on Earth's surface is

    A)  Sun-dial

    B)  Sunshine recorder

    C)  Campbell - Stoke's recorder

    D)  All of the above

    Correct Answer: C

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