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

question 25

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.

---

Definitions:

Goods and Services

The output produced by a society, including tangible products (goods) and intangible items (services) that fulfill human wants or needs.

Capital

Economic resource that is used to produce goods and services, including buildings, machinery, and equipment.

Financial Assets

Resources having economic value that are held by an individual or corporation, primarily including stocks, bonds, and cash equivalents.

Entrepreneur

A profit-seeking decision maker who starts with an idea, organizes an enterprise to bring that idea to life, and assumes the risk of the operation