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:

LIFO

Last In, First Out, an inventory valuation method that assumes the goods most recently made or purchased are the first to be sold.

Ending Inventory

The total value of goods available for sale at the end of an accounting period, calculated by adding purchases to beginning inventory and then subtracting the cost of goods sold.

LIFO Perpetual Cost Flow

A method of inventory valuation where the last items added to inventory are the first ones considered sold under a perpetual inventory tracking system.

Ending Inventory

Ending inventory refers to the final value or quantity of goods available for sale at the end of an accounting period, after adjustments for sales and acquisitions during the period.