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    Question

    Cathode rays when obstructed by metal cause emission of

    -
    A ╬│ тАУ ray Correct Answer Incorrect Answer
    B X тАУ ray Correct Answer Incorrect Answer
    C ╬▒ тАУ ray Correct Answer Incorrect Answer
    D ╬▓ тАУ ray Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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