A Slit of Variable Width Illuminated by Light of Wavelength

question 37

Multiple Choice

A slit of variable width illuminated by light of wavelength λ is widened until the first order diffraction minimum moves out to a distance infinitely far away from the brightest location in the central maximum. In terms of the wavelength, the width of the slit is then

• A)0.
• B) .
• C)λ.
• D) .
• E)2λ.

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Definitions:

Behaviour Therapies

A range of therapies based on the principles of behaviorism that focus on modifying problematic behaviors through reinforcement strategies and conditioning.

Clinical Psychologist

A professional specializing in diagnosing and treating mental disorders, emotional disturbances, and dysfunctional behavior through therapeutic methods.

Counselling Psychologist

A professional who specializes in offering therapies and interventions to help clients manage personal and interpersonal challenges, focusing on emotional, social, vocational, educational, health-related, developmental, and organizational concerns.

School Psychologist

A professional who supports the mental, behavioral, and educational development of students within the school environment.