A Rock Concert Was Measured to Be Watta/cm²

question 23

Multiple Choice

A rock concert was measured to be watta/cm². Find the number of decibels for the power of the sound and round it to the nearest decibel. ​

• A) 100 dB
• B) 107 dB
• C) 109 dB
• D) 121 dB
• E) 104 dB

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Definitions:

Duck/Rabbit

An ambiguous image that can be seen as either a duck or a rabbit, used to discuss perceptual shifts and cognitive processes.

Mental Images

Visual representations in the mind that are not currently being perceived through sight.

Dual Coding Hypothesis

The theory that suggests information is easier to remember when it is encoded both visually and verbally.

Relatively Easy

A task or challenge that can be achieved with little effort compared to other tasks or by the standards of a particular context.