Two Point Sources, Vibrating in Phase, Produce an Interference Pattern

question 9

Multiple Choice

Two point sources, vibrating in phase, produce an interference pattern in a ripple tank.If the frequency is increased by 20%, the number of nodal lines:

• A)is increased by 20%
• B)is increased by 40%
• C)remains the same
• D)is decreased by 20%
• E)is decreased by 40%

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Definitions:

Convergent Evolution

The independent evolution of similar traits in species of different lineages, leading to similarities in structure and function despite genetic differences.

Gulf and Atlantic Coast

The coastal regions adjacent to the Gulf of Mexico and the Atlantic Ocean, often referring to the southeastern coast of the United States.

Medium Ground Finches

A species of finch that is one of Darwin's finches, studied for its evolutionary adaptations to changes in food availability on the Galápagos Islands.

Selection Strength

The intensity of selection pressure applied on a population, which can influence the speed and direction of evolutionary changes.