Two Light Waves Are Initially in Phase and Have the Same

question 33

Multiple Choice

Two light waves are initially in phase and have the same wavelength, 470 nm.They enter two different media of identical lengths of 2.50 µm.If n₁ = 1.2 and n₂ = 1.5, what is the effective phase difference of the waves when they exit the media?

• A)0 rad
• B)0.6 rad
• C)1.6 rad
• D)3.7 rad
• E)10 rad

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Definitions:

Excess Reserve

Funds that banks hold over and above the required minimum reserves mandated by central banking authorities.

Money Supply

The aggregate of all money, such as cash, deposits in banks, and liquid assets, that is present within an economy at a certain point in time.

Real GDP

Gross Domestic Product (GDP) adjusted for inflation, measuring the value of goods and services produced by a country in a year, expressed in real terms.

Average Price Level

The average price level refers to the general level of prices for goods and services in an economy over a given period, often used as an indicator of inflation.