Two Flat Rectangular Mirrors Are Set Edge to Edge and Placed

question 28

Multiple Choice

Two flat rectangular mirrors are set edge to edge and placed perpendicular to a flat non-reflecting surface.A light ray that reflects from mirror 1 at angle $\theta$ M1 then strikes the second mirror and reflects at $\theta$ M2 such that the angle between the ray reaching mirror 1 and the ray leaving mirror 2 is 180 $\degree$ .The angle between the two mirrors is:

• A)0 \(\degree\).
• B)45 \(\degree\).
• C)90 \(\degree\).
• D)150 \(\degree\).
• E)235 \(\degree\).

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Definitions:

Excess Reserves

Funds held by banks over and above the legally mandated reserve requirement, which can be lent out to generate additional income or held as a safeguard against potential withdrawals.

Bank A

A generic term used to denote a financial institution licensed to receive deposits, offer loans, and provide other financial services to its customers.

Inflationary GDP Gap

The excess amount by which the actual gross domestic product (GDP) exceeds the potential GDP, leading to inflation.

Aggregate Demand

The total demand for all goods and services within an economy at a given overall price level and within a specific time frame.