If the Propagation Speed of the Transducer Element Is 4

question 14

Multiple Choice

If the propagation speed of the transducer element is 4 mm/µs,the thickness required for an operating frequency of 10 MHz is ________.

• A) 0.4 mm
• B) 0.8 mm
• C) 0.2 mm
• D) 0.1 mm

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Definitions:

Carrying Capacity

The maximum population size of a species that an environment can sustain, given the food, habitat, water, and other necessities available in the environment.

Demographer

A social scientist who studies the characteristics of human populations, such as size, growth, density, distribution, and vital statistics.

Migration Routes

Migration routes are pathways or corridors followed by individuals or groups as they move from one location to another, often seeking better living conditions or escaping dangers.

Agricultural Yields

The amount of a crop that is harvested per unit of land area.