An 18-Mm Wide Diffraction Grating Has Rulings of 880 Lines

question 34

Multiple Choice

An 18-mm wide diffraction grating has rulings of 880 lines per mm.Monochromatic light of 590 nm wavelength is incident normally on the grating.What is the largest angle,measured from the central bright spot,at which an intensity maximum is formed?

• A) 31°
• B) 29°
• C) 27°
• D) 25°
• E) 23°

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Definitions:

Psychosis

A mental state characterized by a disconnection from reality, which may involve delusions, hallucinations, incoherence, and disorganized thought.

Persecutory Delusions

False, persistent beliefs that one is being pursued by other people.

Somatic Delusions

False beliefs that something is physically wrong with the individual, despite evidence to the contrary.

Delusions of Grandeur

A false belief in one's superiority, omnipotence, or importance, often observed in psychiatric conditions.