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Decreasing a telescope's eyepiece focal length will _____.

increase magnification
decrease magnification
have no effect on magnification

2 Answers

7 votes

Answer:

increase magnification

Step-by-step explanation:

User Anders Kitson
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I believe the correct answer from the choices listed above is the first option. Decreasing a telescope's eyepiece focal length will increase magnification. The magnification of the telescope image is (focal length of the objective) divided by (focal length of the eyepiece). Hope this answers the question.
User XTRUMANx
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