Two Coherent Sources of Monochromatic Light Are Located at S₁ $\lambda$

question 101

Multiple Choice

Two coherent sources of monochromatic light are located at S₁ and S₂ as shown. If the sources are in phase, the intensity at point P is a maximum when

• A) d =\(\lambda\)
• B) r₂ + r₁ = \(\lambda\)
• C) r₂ - r₁ = \(\lambda\)
• D) r₂ + r₁ = \(\lambda\)/2
• E) r₂ - r₁ = \(\lambda\)/2

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Definitions:

Drug Interaction

A phenomenon in which a substance affects the activity of a drug when both are administered together, potentially altering the drug's effect on the body.

Toxic Effect

Adverse effects resulting from exposure to a substance or chemical, ranging from minor to severe, depending on the dose and duration of exposure.

Reconstituting

The process of returning a dehydrated or concentrated substance to its original state by adding water or another solvent.

Ampule Neck

The thin, constricted portion of an ampule that is designed to be broken in order to access the sterile solution inside.