spadedvenus5419 spadedvenus5419
  • 20-02-2024
  • Physics
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The magnifying power of an astronomical telescope is 15, and the distance between two lenses is 80 cm. If both the objective and eyepiece are convex lenses, then calculate their focal lengths.

a) Objective: 10 cm, Eyepiece: 5 cm
b) Objective: 20 cm, Eyepiece: 60 cm
c) Objective: 50 cm, Eyepiece: 30 cm
d) Objective: 40 cm, Eyepiece: 10 cm

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