In a Slide Projector,the Slide Is Illuminated;and Light Passing Through

question 73

Multiple Choice

In a slide projector,the slide is illuminated;and light passing through the slide then passes through a converging lens of focal length 0.10 m.If a screen is placed 5.0 m from the lens,a sharp image is observed.How far is the slide from the lens?

• A)0.082 m
• B)0.050 m
• C)0.50 m
• D)0.27 m
• E)0.10 m

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Definitions:

Consumer Price Index

A measure that examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food, and medical care, used to monitor inflation.

Consumer Price Index

A benchmark that evaluates the mean change through time in the outlay by urban consumers for a chosen collection of consumer items and services.

Standard of Living

The level of wealth, comfort, material goods, and necessities available to a person or community.

Inflation Rate

The progression speed at which the cost of general goods and services increases, diminishing buying power over time.