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Mary Builds a Simple Magnifying Telescope Using Two Lenses of Focal

Question 35

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Mary builds a simple magnifying telescope using two lenses of focal length 80. cm and 5.0 cm. The respective diameters are 60. mm and 10. mm. How many degrees wide does the moon appear through the telescope if it appears only 1/2 degree wide with the "naked eye"?

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8 degrees ...

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