Draw a labelled ray diagram of a refracting telescope. Show tge images formed by the two lenses g Task 3: Applying what you learned about ray diagraming. Drawray diagram of a refracting telescope. Show the images formed by theWrite your answer in a separate sheet of paper.ObserverEyepieceLensObjectiveLensASing Task 4: Read and answer the following questions. Use illustrationser support your answers, Write your answers

Denote the focal length of the objective & eyepiece lens with fo & fe respectively.

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In a refracting telescope, spherical aberration limits __________ . a. The length of the telescope b. The focal length of the eyepiece c. Chromatic aberration d. The diameter of the objective lens e. The total focusing power of the telescope
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All these can be explained by ray optics EXCEPT: a) the resolution of telescope. b) the transmission of signals in fiber optic. c) image reversal in a mirror. d) camera lens.
Astronomers who use ground-based telescopes spend a lot of time and effort dealing with something called seeing. Sometimes they build adaptive-optics systems to try and partially overcome it. What is seeing? Group of answer choices Stray light from buildings, cars, parking lots, streetlights, etc.., which makes the night sky brighter and thus makes it harder to see faint astronomical objects The inability of refracting telescopes to bring all colors of light to a focus at the same distance from the objective lens. Turbulence in the Earth's atmosphere that makes for blurry images of astronomical objects The ability of a spectrograph or spectrometer to spread light out into its constituent colors, thus revealing what a distant object is made of.
The primary mirror on a telescope has a 43m radius of curvature and the eyepiece has a focal length of 36 mm. Determine the maginification and length of the telescope (for length, treat telescope as a refracting telescope) M = ___ L =______
Define theterm power of a lens. In what unit it is expressed?

3: Applying what you learned about ray diagraming. Drau ray diagram of a refracting telescope. Show the images formed by the rite your answer in a separate sheet of paper.