A Source of Sound Has an Intensity I​₁ and When

question 49

Multiple Choice

A source of sound has an intensity I​₁ and when its sound level is measured at a fixed distance the value found is 70 dB.The source then has its intensity increased to I​₂ and when its sound level is measured at the same distance the value found is 96 dB.What is the ratio ​I​₂/​I​₁?

• A)26
• B)400
• C)600
• D)14

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