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A Magnifying Glass Produces an Angular Magnification of 7

question 43

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A magnifying glass produces an angular magnification of 7. What is the focal length of this lens if a person whose near point is 28 cm reads a book using this magnifying glass?


Definitions:

Carrying Amount

The book value of an asset or liability on a company's balance sheet, calculated as the original cost minus accumulated depreciation, amortization, or impairment costs.

Carrying Value

The net amount at which an asset or liability is valued in the balance sheet, considering factors like depreciation, amortization, or impairment charges.

Bond Redemption

The process in which a bond issuer returns the bond's principal amount to the bondholders and terminates the bond.

Straight-Line Method

A method of calculating depreciation or amortization by evenly distributing the cost of an asset over its useful life.

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