A Person Stands Between Two Speakers Driven by the Same

question 73

Multiple Choice

A person stands between two speakers driven by the same source.Each speaker produces a tone with a frequency of 200 Hz on a day when the speed of sound is 330 m/s.The person is 1.65 m from one speaker and 4.95 m from the other.What type of interference does the person perceive?

• A)constructive
• B)destructive
• C)both constructive and destructive
• D)neither constructive nor destructive

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Definitions:

Developing Countries

Nations with lower levels of industrialization, lower standards of living, and lower Human Development Index (HDI) scores compared to more developed countries.

Tariffs and Quotas

Government-imposed taxes on imported goods (tariffs) and limits on the quantity of imports (quotas) to protect domestic industries.

Private Capital

Funds or assets owned by individuals, companies, or investors, not by the government or public entities.

World Bank

An international lending institution that offers financial aid and grants to the governments of developing countries for capital project initiatives.