Intensity of Double-Slit Pattern: Light Passes Through a Pair of Very

question 75

Multiple Choice

Intensity of double-slit pattern: Light passes through a pair of very thin parallel slits. The resulting interference pattern is viewed far from the slits at various angles θ relative to the centerline coming outward from the midpoint between the slits. The central bright fringe is at θ = 0°. If the central bright fringe has intensity I₀, what is the intensity of the next bright fringe on either side of it?

• A) I₀
• B) I₀/
• C) I₀/2
• D) I₀ cos 15°
• E) I₀ cos² 15°

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Definitions:

Trade Credit

A type of commercial financing where a buyer is allowed to purchase goods or services and pay the supplier at a later scheduled date.

Accounts Payable Balance

Accounts payable balance represents the total amount a company owes to its suppliers or creditors for purchases made on credit.

Costly Trade Credit

Refers to the higher cost associated with buying goods or services on credit, when compared to paying cash upfront, due to interest or fees imposed by the seller.

Effective Annual Rate

The real return on an investment, accounting for the effect of compounding over a period.