MDCAT Physics MCQ #3976

A sound wave has an intensity of 10^-6 W/m². Calculate its intensity level in decibels.

MDCAT Physics MCQ #3976

  1. Question 1

    Q1. A sound wave has an intensity of 10^-6 W/m². Calculate its intensity level in decibels.

    • A) 40 dB
    • B) 50 dB
    • C) 60 dB
    • D) 70 dB

    Answer: 60 dB

    Explanation: Intensity level = 10 log(I/I₀) = 10 log(10^-6 / 10^-12) = 60 dB. Option B is incorrect due to miscalculation.