11) The loudness L of a sound (in decibels) is related to the intensity I of the sound in watts per square meter by the equation: L = 10[log I-log 10-¹2]. Note: An intensity of 102 is the faintest sound that can be heard by humans in watts per square meter. What is the decibel level of a jet plane that has an intensity level of 10 watts per square meter? a) 110 d) 130 b) 122 c) 128

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