The Sound Level at a Point P Is 14 Db

question 25

Multiple Choice

The sound level at a point P is 14 db below the sound level at a point 1.0 m from a point source.Assuming the intensity from a point source drops off like the inverse square of the distance, the distance from the source to point P is:

• A)4.0 cm
• B)20 m
• C)2.0 m
• D)5.0 m
• E)25 m

---

Definitions:

Online Bankers

Professionals who manage banking services over the internet, including transactions, payments, and customer service.

Binomial Random Variable

A type of random variable that takes fixed values with probabilities defined by a binomial distribution, usually representing the number of successes in a series of trials.

Standard Deviation

An index quantifying the spread or variability among a collection of numbers, illustrating the distance of values from their average.

Insider Information

Confidential information about a company that has not been made public and that could provide a financial advantage in the stock market.