The Intensity Level of the Sound Produced by Loud Rock

question 48

Multiple Choice

The intensity level of the sound produced by loud rock music is 120 dB.The power incident on an eardrum of area 0.4 cm² from this sound level is

• A)4 * 10^-6 W.
• B)1 * 10^-5 W.
• C)4 * 10^-5 W.
• D)8 mW.
• E)2 mW.

---

Definitions:

Compensated Surety

A surety who receives compensation for guaranteeing the performance or obligations of another.

Contract Change

Modifications or amendments to the terms and conditions of a contract, typically agreed upon by all involved parties.

Right to Contribution

The legal right allowing a party who has paid more than their share of a common debt to demand reimbursement from other liable parties.

Cosureties

Joint parties who guarantee to pay back a loan or satisfy a debt for someone else if that person fails to do so.