An Image Is Formed Using a Convex Lens,the Image Being

question 76

Multiple Choice

An image is formed using a convex lens,the image being 15 cm past the lens.A second lens is placed 25 cm past the first lens and another image is formed,this time 10 cm past the second lens.Which of the following statements is true?

• A) The last image is inverted with regard to the original object.
• B) The last image must be larger than the object.
• C) The first image is virtual.
• D) None of the above statements is true.

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Definitions:

Increasing Returns To Scale

See Economies of scale.

Economies Of Scale

Exist when average costs fall as output increases.

Diseconomies Of Scale

Exist when average costs rise with output.

Marginal Costs

The cost associated with producing one additional unit of a product, useful for decision-making on production levels and pricing.