Diffraction Grating: a Diffraction Grating Has Rulings of 890 Lines/mm

question 22

Multiple Choice

Diffraction grating: 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

Comprehend how perceptions are influenced by patterns and configurations.

Describe the physiological processes involved in seeing and perception.

Understand the role of distance cues and motion in perception.

Explain the concept of perceptual constancy.

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Definitions:

Community Psychology

A branch of psychology focused on understanding individuals within their social, cultural, economic, geographic, and political contexts and addressing societal issues.

Emphasis on Prevention

The focus on preventing health problems or societal issues before they start, rather than treating them after they occur.

Free Association

A psychoanalytic technique where the patient verbalizes thoughts as they come, without censorship or filtering, to uncover unconscious desires and conflicts.

Systematic Desensitization

A therapeutic method used to gradually reduce fear, anxiety, or phobias through the gradual exposure to the feared object or context.