Two Sounds Differ by 20 DB

question 49

Multiple Choice

Two sounds differ by 20 dB.This means that the louder sound is _____ times as intense and _____ times as loud.

• A)twenty; twenty
• B)one hundred; twenty
• C)twenty; four
• D)one hundred; four
• E)two; two

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Definitions:

Placebo

A substance with no therapeutic effect, often used as a control in testing new drugs.

Treatment

In a research context, an intervention or condition that participants in an experimental group are exposed to, to observe its effects.

Text Messages

Written messages sent electronically, typically through mobile devices, allowing for communication between individuals without direct vocal interaction.

Strength-Training Programs

Exercise routines specifically designed to increase muscle strength and endurance through resistance training.