A Lens Forms an Erect Image of a Real Object

question 56

Multiple Choice

A lens forms an erect image of a real object.The image is twice the size of the object and appears to be 40 cm from the lens.Determine the power of the lens in diopters (D) .

• A)There is not sufficient information.
• B)-2.5 D
• C)+2.5 D
• D)+7.5 D
• E)None of these is correct.

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Definitions:

Capital-intensive Business

A business that requires a significant amount of capital investment to create and maintain operations, often in industries like manufacturing.

Labor-intensive Business

A type of business that requires a large amount of manual labor to produce goods or services, as opposed to automation or machinery.

Service-intensive Business

A type of business that relies heavily on providing services rather than goods, characterized by a high level of customer interaction and service delivery.

Vision

A forward-looking statement or concept that outlines what an organization aims to achieve in the future, serving as a guide for its intentions and directions.