A Cell Phone Is Placed 40 Cm in Front of a Converging

question 57

Multiple Choice

A cell phone is placed 40 cm in front of a converging lens with a focal length of magnitude 20 cm.How far is the image of this phone from the lens?

• A)40 cm
• B)20 cm
• C)13 cm
• D)60 cm
• E)10 cm

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Definitions:

Marginal Revenue

The additional income generated from selling one more unit of a good or service.

Target Market

The target market is a specific group of consumers at which a company aims its products and services, identified by demographic, geographic, or psychographic characteristics.

Price Elasticity of Demand

A measure of how much the quantity demanded of a good responds to a change in the price of that good, indicating the sensitivity of consumers to price changes.

Inelastic Demand

This economic concept describes a situation where the demand for a product does not significantly change with the price change.