What Is the Intensity Level of a Sound with Intensity

question 6

Multiple Choice

What is the intensity level of a sound with intensity of 9.0 × 10−¹⁰ W/m²? ( I₀ = 10−¹² W/m² )

• A) 20 dB
• B) 68 dB
• C) 3.0 dB
• D) 30 dB
• E) ​6.8 dB

---

Definitions:

Indian Rupees

The official currency of India, symbolized as ₹ and abbreviated as INR, used for all forms of transactions within the country.

Import

The act of bringing goods or services into one country from another for the purpose of trade.

Interest Rate Parity

A theory suggesting that the difference in interest rates between two countries will be equal to the differential between the forward exchange rate and the spot exchange rate.

British Security

A financial instrument issued in the UK that represents either equity in a company, debt obligations, or other rights to ownership or profit.