Fully Constructive Interference Between Two Sinusoidal Waves of the Same $\degree$

question 38

Multiple Choice

Fully constructive interference between two sinusoidal waves of the same frequency occurs only if they:

• A) travel in opposite directions and are in phase
• B) travel in opposite directions and are 180 \(\degree\)out of phase
• C) travel in the same direction and are in phase
• D) travel in the same direction and are 180 \(\degree\)out of phase
• E) travel in the same direction and are 90 \(\degree\) out of phase

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Definitions:

Organic Molecules

Chemical compounds that contain carbon and are found in all living organisms, essential for life.

Organic Polymers

Large molecules composed of repeated subunits (monomers) that are typically carbon-based, like proteins, nucleic acids, and plastics.

Silt

Fine particles of rock and soil that are smaller than sand and larger than clay, often found on riverbeds and fertile agricultural lands.

Sand

Fine particles of rock and mineral matter, typically found on beaches, deserts, and riverbeds.