A Diffraction Grating Has 450 Lines Per Millimeter

question 65

Multiple Choice

A diffraction grating has 450 lines per millimeter.What is the highest order m that contains the entire visible spectrum from 400 nm to 700 nm?

• A)m = 2
• B)m = 3
• C)m = 4
• D)m = 5
• E)m = 6

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Definitions:

Sigmund Freud

An Austrian neurologist and the founder of psychoanalysis, a method for treating psychopathology through dialogue between a patient and a psychoanalyst.

G. Stanley Hall

A pioneering American psychologist and educator, known for his work in child development and educational psychology.

John Watson

An American psychologist considered one of the founders of behaviorism; he emphasized the study of observable behavior over the study of the mind.

Leo Kanner

An Austrian-American psychiatrist known for his work in child psychiatry, notably for being the first to describe autism as a distinct neurodevelopmental disorder in 1943.