A Diffraction Grating Has Rulings of 890 Lines/mm

question 18

Multiple Choice

A diffraction grating has rulings of 890 lines/mm.When white light is incident normally on the grating,what is the longest wavelength that forms an intensity maximum in the fifth order?

• A) 225 nm
• B) 200 nm
• C) 250 nm
• D) 275 nm
• E) 300 nm

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Definitions:

Chart Of Accounts

A list of the accounts in the ledger.

Merchandising Business

A company that purchases goods wholesale and resells them at retail, making profit from the markup.

Perpetual Inventory System

An accounting system that records inventory purchases or sales immediately through the use of computerized point-of-sale systems and enterprise asset management software.

Merchandise Return

Occurs when a customer returns a product to the seller for a refund, exchange, or credit, affecting the seller’s inventory and sales figures.