An Object Is Placed 10 Cm from a Convex Lens

question 101

Multiple Choice

An object is placed 10 cm from a convex lens with a focal length of magnitude 20 cm.What is the magnification?

• A)0.50
• B)-2.0
• C)1.5
• D)2.0
• E)-2.5

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Definitions:

Risk-free Rate

The expected yield from an investment that carries no risk of losing money, often identified by the returns on government bonds.

Futures Market

A financial exchange where people can trade standardized futures contracts; that is, a contract to buy specific quantities of a commodity or financial instrument at a specified price with delivery set at a specified time in the future.

Stock Index Futures

Futures contracts that obligate the buyer to purchase or the seller to sell a specific stock index at a predetermined future date and price.

Multiplier

A factor that quantifies the impact of a change in one economic variable (like investment or government spending) on the overall economy, especially on national income.