New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    What defines noise pollution according to the World

    Health Organization (WHO)?
    A Sound below 65 decibels (dB) Correct Answer Incorrect Answer
    B Sound above 85 decibels (dB) Correct Answer Incorrect Answer
    C Sound above 120 decibels (dB) Correct Answer Incorrect Answer
    D Sound with agreeable musical quality Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The World Health Organization (WHO) defines noise above 65 decibels (dB) as noise pollution.   To be precise, noise becomes harmful when it exceeds 75 decibels (dB) and is painful above 120 dB.

    Practice Next