Waves from Two Slits Are in Phase at the Slits

question 39

Multiple Choice

Waves from two slits are in phase at the slits and travel to a distant screen to produce the second minimum of the interference pattern.The difference in the distance traveled by the wave is:

• A)half a wavelength
• B)a wavelength
• C)three halves of a wavelength
• D)two wavelengths
• E)three wavelengths

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Definitions:

Net Increase

The amount by which something grows or goes up, calculated by taking total gains and subtracting any losses.

Inventories

The stock of goods or materials that a company holds for the ultimate goal of resale or production.

Investment

The purchase of new plants, new equipment, new buildings, and new residences, plus net additions to inventories.

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The total market value of all goods and services produced in a country in a given period, measured using current prices without adjusting for inflation.