The Distance Between the Ruled Lines on a Grating Is

question 110

Multiple Choice

The distance between the ruled lines on a grating is 1770 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

---

Definitions:

Comprehension

The understanding and interpretation of information, texts, and spoken language.

Fast Mapping

A cognitive process by which children can learn new words or concepts after minimal exposure.

Metalinguistic Awareness

The ability to think about and reflect upon the nature and functions of language.

Semantic Slanting

The deliberate choice of words and phrases to create a particular perception or bias in the audience's mind.