DrDelmar Wants to Determine How Loud a Certain Noise Must

question 13

Multiple Choice

Dr.Delmar wants to determine how loud a certain noise must be in order for it to be heard from a distance of 50 feet.Her question involves the concept of:

• A)relative magnitude.
• B)difference threshold.
• C)absolute threshold.
• D)just noticeable difference (jnd).

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Definitions:

Balance

The state of having equal distribution of weight or amount, or the ability to maintain equilibrium.

Evaluates

The process of assessing or examining something to determine its value, quality, or importance.

Epistaxis

Nosebleed; hemorrhage from the nose.

Nosebleed

The loss of blood from the tissue lining the nose, often due to dry air, injury, or nose picking.