In a Thin Film Experiment, a Wedge of Air Is

question 35

Multiple Choice

In a thin film experiment, a wedge of air is used between two glass plates. If the wavelength of the incident light in air is 480 nm, how much thicker is the air wedge at the 16th dark fringe than it is at the 6th?

• A) 2400 nm
• B) 4800 nm
• C) 240 nm
• D) 480 nm
• E) none of these

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Definitions:

Real Interest Rate

The interest rate adjusted for inflation, reflecting the true cost of borrowing or the true return on savings.

Nominal Interest Rate

The interest rate before adjustments for inflation, representing the face value of financial transactions.

Inflation Rate

The rise in the average cost of goods and services within an economy over a specific period, expressed as a percentage.

Present Value

The current valuation of a prospective sum of money or cash flow series, factoring in a designated rate of return.