When a Central Dark Fringe Is Observed in Reflection in a Circular

question 22

Multiple Choice

When a central dark fringe is observed in reflection in a circular interference pattern, waves reflected from the upper and lower surfaces of the medium must have a phase difference, in radians, of

• A) 0.
• B) π/2.
• C) π.
• D) 3π/2.
• E) 2π.

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Definitions:

Journal

A detailed record where all financial transactions of a business are initially recorded before being transferred to the accounts in the general ledger.

Transaction Recording Process

The methodical process of recording financial transactions in the books of accounts to ensure accurate financial reporting.

Journal

A chronological record of all transactions made by a company, used as the primary source of information for the financial statements.

Ledger

A comprehensive collection of a company's accounts where transactions are recorded, typically categorized into assets, liabilities, equity, revenues, and expenses.