A Metallic Sheet Has a Large Number of Parallel Slits $5.0 \mathrm {~mm}$

question 17

Multiple Choice

A metallic sheet has a large number of parallel slits, $5.0 \mathrm {~mm}$ wide and $20 \mathrm {~cm}$ apart. This sheet is used as a diffraction grating for microwaves. A wide parallel beam of microwaves is incident normally on the sheet. What is the smallest microwave frequency for which only the central maximum will occur? $\left( c = 3.00 \times 10 ^ { 8 } \mathrm {~m} / \mathrm { s } \right)$

• A) \(2.0 \mathrm { GHz }\)
• B) \(1.0 \mathrm { GHz }\)
• C) \(1.5 \mathrm { GHz }\)
• D) \(0.70 \mathrm { GHz }\)
• E) \(0.50 \mathrm { GHz }\)

Acknowledge the estimated number of languages existing today and historical language diversity.

Understand the focus of twentieth-century linguistics studies on language theories and principles.

Comprehend the structure and systems of communication in languages including grammar, syntax, and phonology.

Recognize the strengths and applications of descriptive linguistics.

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Definitions:

Technical Insolvency

A situation where an entity cannot meet its short-term financial liabilities, despite potentially having enough assets to cover its debts.

Legal Insolvency

A financial condition in which an entity is unable to meet its debt obligations as they come due, potentially leading to legal processes for debt resolution.

Obligations

Duties or responsibilities imposed by legal or ethical requirements, contracts, or agreements.

LBO

Leveraged buyout. A process in which an investor group buys up a company’s stock using a small amount of equity and borrowing the rest of the money required. The debt is often secured by the firm’s assets. The investor groups are often the firms’ managements, and the company goes from being publicly held to being privately held.