UPSC General Studies Solved Paper - General Studies-2011

  • question_answer
    A new optical disc format known as the Blu-ray Disc (BD) is becoming popular. In what way is it different from the traditional DVD?
    1. DVD supports Standard Definition video while BD supports High
    Definition video.
    2. Compared to a DVD, the BD format has several times more storage capacity.
    3. Thickness of BD is 2.4 mm while that of DVD is 1.2 mm.
    Which of the statement(s) given above is/are correct?

    A)  Only 1             

    B)  1 and 2

    C)  2 and 3           

    D)  All of these

    Correct Answer: B

    Solution :

    Exp. [b] The thickness of Blu Ray disc is actually small than the DVD.

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