Waves That Are Emitted in Phase from Two Sources Will

question 50

Multiple Choice

Waves that are emitted in phase from two sources will undergo destructive interference when the paths from the sources differ by

• A)an odd half-integer number of wavelengths.
• B)a whole integer number of wavelengths.
• C)an odd one-third-integer number of wavelengths.
• D)any quarter-integer number of wavelengths.
• E)none of the above.

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Definitions:

Cleavage

The tendency of a mineral to break along flat, smooth surfaces, which is related to the mineral’s crystal structure.

Silicate Minerals

Minerals that contain silicon and oxygen, and usually one or more additional elements, making up the largest and most important class of rock-forming minerals.

Silicon

A chemical element with the symbol Si and atomic number 14, known for its semiconductor properties and widely used in electronics and computer chips.

Oxygen Atoms

the basic unit of the element oxygen, essential for combustion, respiration, and various other chemical reactions.