A Planar Cross Section Through Two Spherical Waves Emanating from the Sources

question 17

Multiple Choice

A planar cross section through two spherical waves emanating from the sources S₁ and S₂ in the plane is shown in the figure. S₁ and S₂ are in phase. The black circles are one and two wavelengths from their respective sources. The lighter circles are one half and one and a half wavelengths distant from their respective sources. If the waves shown arriving at P₂ both arrive with amplitude A, the resultant amplitude at point P₂ is

• A) 0.
• B) .
• C) A.
• D) .
• E) 2A.

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Definitions:

Hypokrisia

In Meehl’s theory, the reduced selectivity with which nerve cells respond to stimuli, especially as seen in schizophrenia.

Neuronal Reactivity

The responsiveness of neurons in the brain to various stimuli or changes in the environment, affecting an individual's behavior and cognitive processes.

Meehl's Theory

An influential set of hypotheses proposed by psychologist Paul Meehl, particularly concerning the etiology of mental disorders.

Prolonged Labour

A condition in childbirth where labor lasts for a significantly longer duration than is typically expected, possibly leading to complications.