Problem: You've been asked to build a telescope from a 2.0X magnifying lens and a 5.0X magnifying lens.Which lens should be used as the objective? Explain.

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The objective lens should have a short focal length.

The eyepiece should have a longer focal length.

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You've been asked to build a telescope from a 2.0X magnifying lens and a 5.0X magnifying lens.

Which lens should be used as the objective? Explain.

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