![Telescopes come in three basic styles. Refracting telescopes use lenses Refractors are either achromatic (some color distortion) or apochromatic (very. - ppt download Telescopes come in three basic styles. Refracting telescopes use lenses Refractors are either achromatic (some color distortion) or apochromatic (very. - ppt download](https://slideplayer.com/8197853/33/images/slide_1.jpg)
Telescopes come in three basic styles. Refracting telescopes use lenses Refractors are either achromatic (some color distortion) or apochromatic (very. - ppt download
![You are given following three lenses. Which two lenses will you see as an eyepiece and as an objective to construct an astronomical telescope?LensesPowerAperture L1 3D 8 cm L2 6D 1 cm You are given following three lenses. Which two lenses will you see as an eyepiece and as an objective to construct an astronomical telescope?LensesPowerAperture L1 3D 8 cm L2 6D 1 cm](https://dwes9vv9u0550.cloudfront.net/images/2060176/a537f8c5-0a28-4e0c-9739-cee3e2820aca.jpg)
You are given following three lenses. Which two lenses will you see as an eyepiece and as an objective to construct an astronomical telescope?LensesPowerAperture L1 3D 8 cm L2 6D 1 cm
![Describe the terrestrial telescope based on the following points.(i) Labeled Ray diagram.(ii) Derivation of formula for magnifying power, when the final image is formed at the least distance of distinct vision. Describe the terrestrial telescope based on the following points.(i) Labeled Ray diagram.(ii) Derivation of formula for magnifying power, when the final image is formed at the least distance of distinct vision.](https://www.vedantu.com/question-sets/0370d376-1435-4105-b439-aa224f7f6f681753171632863959293.png)
Describe the terrestrial telescope based on the following points.(i) Labeled Ray diagram.(ii) Derivation of formula for magnifying power, when the final image is formed at the least distance of distinct vision.
Optical Systems: Pinhole Camera • Pinhole camera: simple hole in a box: Called Camera Obscura • Aristotle discussed, Alhazen
![a Draw a labelled ray diagram to obtain the real image formed by an astronomical telescope in normal adjustment position. Define its magnifying power.b You are given three lenses of power 0.5 a Draw a labelled ray diagram to obtain the real image formed by an astronomical telescope in normal adjustment position. Define its magnifying power.b You are given three lenses of power 0.5](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/8492/content_184063.png)
a Draw a labelled ray diagram to obtain the real image formed by an astronomical telescope in normal adjustment position. Define its magnifying power.b You are given three lenses of power 0.5
![Describe terrestrial telescope on the basis of the following points:(i) A clear labelled diagram;(ii) Expression for magnifying power when the final image is at least distance of distinct vision D. Describe terrestrial telescope on the basis of the following points:(i) A clear labelled diagram;(ii) Expression for magnifying power when the final image is at least distance of distinct vision D.](https://www.vedantu.com/question-sets/538b902c-c508-44b6-a217-758a8487275c6927036013729887998.png)
Describe terrestrial telescope on the basis of the following points:(i) A clear labelled diagram;(ii) Expression for magnifying power when the final image is at least distance of distinct vision D.
![a Draw a ray diagram depicting the formation of the image by an astronomical telescope in normal adjustment.b You are given the following three lenses. Which two lenses will you use as a Draw a ray diagram depicting the formation of the image by an astronomical telescope in normal adjustment.b You are given the following three lenses. Which two lenses will you use as](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/8387/content_20_183132.png)