A Source of Frequency F Sends Waves of Wavelength $\lambda$ Traveling with Speed V in Some Medium

question 21

Multiple Choice

A source of frequency f sends waves of wavelength $\lambda$ traveling with speed v in some medium.If the frequency is changed from f to 2f, then the new wavelength and new speed are (respectively) :

• A)"2\(\lambda\), v"
• B)"\(\lambda\)/2, v"
• C)"\(\lambda\), 2v"
• D)"\(\lambda\), v/2"
• E)"\(\lambda\)/2, 2v"

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Definitions:

Induced Consumption

The portion of consumer spending that increases or decreases as disposable income increases or decreases, respectively.

Disposable Income

The collective fiscal pool available to households for spending and saving post income tax engagements.

Induced Consumption

The concept in Keynesian economics referring to the portion of consumer spending that increases with income. Higher income levels tend to lead to higher consumer spending.

Disposable Income

The total financial resources available to people or households for savings and expenses after subtracting income tax.