A Change in Power from 100 W to 1 W

question 8

Multiple Choice

A change in power from 100 W to 1 W corresponds to approximately ________ decibels.

• A) 10
• B) 20
• C) -10
• D) -20

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Definitions:

Behaviors

are the actions or reactions of an individual in response to external or internal stimuli.

Infant

A very young child, particularly before they can walk or speak; the earliest stage in human development.

Square

A geometric shape with four equal sides and four right angles.

A-not-B Error

A cognitive mistake made by infants during the sensorimotor stage where they repeatedly reach for a hidden object at a location where it was last found (A) rather than its new location (B).