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How does a reflecting telescope work?

Answer 1

Reflecting telescope use a parabolic mirror as objective to collect light.from the object.

This is magnified by an eye piece.AS usual focal length of objective divided by focal length of ye piece is the magnification/;..There is a 45 degree small mirror to redirect the the light beams to eye piece for convenient viewing..Light coming from the object hits the mirror and get focused in the 45 degree secondary mirror..The ye piece magnifies the image.

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Answer 2

William Audy

A reflecting telescope works by using a curved mirror to gather and focus light. The primary mirror reflects light to a secondary mirror, which in turn reflects the light to an eyepiece or a detector. This design allows for larger apertures and shorter focal lengths compared to refracting telescopes.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.