squat Frank Worthley Writer astronomical telescope refracting type Terrible Penmanship Petition
Draw a labelled ray diagram of a refracting telescope. Define its magnifying power and write the expression for it. Write two important limitations of a refracting telescope over a reflecting type telescope.
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Advantages and Disadvantages of Refracting Telescopes
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Telescope Types
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Refracting Telescopes
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Draw a ray diagram of astronomical telescope distance object in normal adjustment. What is the expression its magnifying power.
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Refracting telescope - Wikipedia
In an astronomical telescope of refracting type, objective has greater focal length. Explain.
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Refracting telescope - Wikipedia
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