A jeweler examines a diamond with a magnifying glass. Part A If the near-point d

Question

A jeweler examines a diamond with a magnifying glass.

Part A

If the near-point distance of the jeweler is 21.7cm , and the focal length of the magnifying glass is 7.50 cm, find the angular magnification when the diamond is held 5.56cm from the magnifying glass. Assume the magnifying glass is directly in front of the jeweler's eyes.

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A jeweler examines a diamond with a magnifying glass.

Part A

If the near-point distance of the jeweler is 21.7cm , and the focal length of the magnifying glass is 7.50 cm, find the angular magnification when the diamond is held 5.56cm from the magnifying glass. Assume the magnifying glass is directly in front of the jeweler's eyes.

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Explanation / Answer

angular magnification

(21.7 - 5.56) / 7.50 = 2.152

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