Concept explainers
What is the function of the eyepiece in an astronomical telecsope?
To explain: Function of Eyepiece in a Astronomical Telescope.
Explanation of Solution
Introduction:
A telescope is an optical instrument which is used to see far away or distant objects. It uses two pieces of convex lens.
A telescope consists of two lenses, the first one called objective lens and the second one called eyepiece. An Astronomical telescope is a telescope having an objective lens with large focal length and eyepiece with a short focal length. The real, inverted image formed by the objective lens is not projected on a screen but is projected towards another lens which acts as a magnifying glass to magnify the image. The eyepiece is placed in such a way that the image formed by the objective lens is within the focal length of eyepiece in order to obtain a virtual, inverted and magnified image of an image obtained by objective lens which serves as an object for eyepiece. In fact, the eyepiece forms image of an image formed by objective lens.
Conclusion:
Hence, eyepiece is used in astronomical telescope to obtain a magnified image of the image formed by objective lens.
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