The Distance Between the Ruled Lines on a Diffraction Grating

question 74

Multiple Choice

The distance between the ruled lines on a diffraction grating is 1,770 nm.The grating is illuminated at normal incidence with a parallel beam of white light in the 400 nm to 700 nm wavelength band.What is the longest wavelength that appears in the third order spectrum?

• A)590 nm
• B)570 nm
• C)550 nm
• D)530 nm
• E)610 nm

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Definitions:

GAAP

The accounting standards and rules that are broadly adhered to in financial reporting are encapsulated in the Generally Accepted Accounting Principles.

Double-Entry Accounting

An accounting principle requiring that every financial transaction is recorded in at least two different nominal ledger accounts, ensuring the accounting equation is always in balance.

GAAP

The standard set of guidelines for financial accounting that are widely accepted in a particular jurisdiction, known as Generally Accepted Accounting Principles.

IFRS

International Financial Reporting Standards, a set of accounting standards developed by the International Accounting Standards Board.