A Single Slit of Width a Is Illuminated by Light

question 15

Multiple Choice

A single slit of width a is illuminated by light of wavelength λ. If a = 4.3λ, the maximum number of dark fringes on a semi-circular screen surrounding the slit is

• A) 2.
• B) 4.
• C) 6.
• D) 8.
• E) 9.

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Definitions:

Behaviorism

Behaviorism is a scientific approach to psychology that focuses on observable behaviors and dismisses mental activities that cannot be directly observed.

John B. Watson

An American psychologist who established the psychological school of behaviorism, emphasizing the study of observable behavior over the study of the mind.

B. F. Skinner

A renowned American psychologist best known for his work in developing the theory of behaviorism and operant conditioning.

The Animal Mind

The study of the mental processes and behaviors of non-human animals.