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Observing Space: Telescopes — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceObserving Space: Telescopes3 Marks
Question
How do refracting telescopes work?
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Answer

  • Most refracting telescopes are made with two or more lenses.
  • The two lenses are called objective lens and an eyepiece lens.
  • The objective lens should be large so that maximum light can be collected from the source.
  • Using the light collected, the eyepiece lens which is small in size, produces a large image of the source.

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