For a Coherent Plane Wave Approaching an Obstacle with a Rectangular

question 19

Multiple Choice

For a coherent plane wave approaching an obstacle with a rectangular opening, diffraction becomes significant under which of the following circumstances?

• A) both dimensions of the rectangular opening are comparable to the wavelength
• B) one or more dimensions of the rectangular opening are comparable to the wavelength
• C) both dimensions of the rectangular opening are larger than the wavelength
• D) only if the opening is circular

---

Definitions:

Uncollectible Account

An account receivable that is deemed unrecoverable from a debtor, often written off as a bad debt by the company.

Purchases Journal

A specialized accounting journal used to record all purchase transactions, typically for inventory or supplies.

Open Transaction

Any financial transaction that has been initiated but not yet completed or settled.

Customer Based

Customer based refers to a business strategy or perspective centered on understanding and addressing the needs, preferences, and behaviors of customers.