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a total magnification of 75x for an image at infinity. The telescope is first telescope is...
Galileo's Telescope Galileo's first telescope used a convex objective lens with a focal length f=1.7m and...
Galileo's Telescope Galileo's first telescope used a convex objective lens with a focal length f=1.7m and a concave eyepiece, as shown in the figure. (Figure 1)When this telescope is focused on an infinitely distant object, and produces an infinitely distant image, its angular magnification is +3.0. A. What is the focal length of the eyepiece? in cm b. How far apart are the two lenses?
The Galilean Telescope. The following figure is a diagram of a Galilean telescope, or opera glass,...
The Galilean Telescope. The following figure is a diagram of a Galilean telescope, or opera glass, with both the object and its final image at infinity. The image I serves as a virtual object for the eyepiece. The final image is virtual and erect (Figure 1) Part A Find the angular magnification M. Part B A Galilean telescope is constructed from two lenses. the 95.0-cm lens being used as the objective. What focal length should the eyepiece have...
9. A simple telescope can be constructed from two convex lenses. Consider a telescope that uses...
9. A simple telescope can be constructed from two convex lenses. Consider a telescope that uses a 500 mm lens (focal length of 500 mm) for the objective lens and a 150 mm lens for the eye piece. 1. How far apart must the lenses be placed to view an object that is 100 m away (from the objective lens) and appears to be 20 cm in front of the eyepiece lens? 2. What magnification does the telescope produce for...
What is the approximate magnification of a compound microscope with objective and eyepiece focal lengths of...
What is the approximate magnification of a compound microscope with objective and eyepiece focal lengths of 0.30 cm and 3.6 cm, respectively, and a separation between lenses of 20 cm? a. 12 b. 20 C. 67 d. 460 A telescope has an objective lens with a focal length of 100 cm and an eyepiece of focal length 3.0 cm. What is the magnification of the telescope? a. +30 b. -33 C. +60 d. -180 20. Page 6 of 6
Please make sure your answer is correct before posting! The objective lens of an astronomical telescope...
Please make sure your answer is correct before posting! The objective lens of an astronomical telescope forms an image of a distant object at the focal point of the eyepiece, which has a focal length of 7.2 cm. If the two lenses are44.3 cm apart, what is the angular magnification?
A Galilean telescope is made with a 40 cm focal length objective lens and a -10 cm focal length e...
A Galilean telescope is made with a 40 cm focal length objective lens and a -10 cm focal length eyepiece. As is typical, the separation between the lenses is the sum of the focal lengths, i.e. 30 cm. Usually this telescope would be used to view far distant objects, but suppose the object viewed is only three focal lengths (120 cm) distant from the objective lens (a) On the figure above, sketch the principal rays that determine the size and location...
1. On one of the shelves in your physics lab is displayed an antique telescope. A sign underneath the instrument says t...
1. On one of the shelves in your physics lab is displayed an antique telescope. A sign underneath the instrument says that the telescope has a magnification of 23.0 and consists of two converging lenses, the objective and the eyepiece, fixed at either end of a tube 81.0cm long. Assuming that this telescope would allow an observer to view a lunar crater in focus with a completely relaxed eye, what is the focal length fe of the eyepiece? Note that...
On one of the shelves in your physics lab is displayed an antique telescope. A sign underneath the instrument says that...
On one of the shelves in your physics lab is displayed an antique telescope. A sign underneath the instrument says that the telescope has a magnification of 20 and consists of two converging lenses, the objective and the eyepiece, fixed at either end of a tube 60.0 long. Assuming that this telescope would allow an observer to view a lunar crater in focus with a completely relaxed eye, what is the focal length of the eyepiece? Note that to view...
The eyepiece of a refracting telescope has a focal length of 9.00 cm. The distance between...
The eyepiece of a refracting telescope has a focal length of 9.00 cm. The distance between objective and eyepiece is 1.8 m, and the final image is at infinity. What is the angular magnification of the telescope?
A refracting telescope is used to view the Moon (diameter 3480 km, distance from Earth 385,000...
A refracting telescope is used to view the Moon (diameter 3480 km, distance from Earth 385,000 km). The focal lengths of the objective and eyepiece are +2.45 m and +16.1 cm, respectively. (a) What should be the distance between the lenses? m (b) What is the diameter of the image produced by the objective? cm (c) What is the angular magnification?
9. A simple telescope can be constructed from two convex lenses. Consider a telescope that uses a 500 mm lens (focal length of 500 mm) for the objective lens and a 150 mm lens for the eye piece. 1. How far apart must the lenses be placed to view an object that is 100 m away (from the objective lens) and appears to be 20 cm in front of the eyepiece lens? 2. What magnification does the telescope produce for...
What is the approximate magnification of a compound microscope with objective and eyepiece focal lengths of 0.30 cm and 3.6 cm, respectively, and a separation between lenses of 20 cm? a. 12 b. 20 C. 67 d. 460 A telescope has an objective lens with a focal length of 100 cm and an eyepiece of focal length 3.0 cm. What is the magnification of the telescope? a. +30 b. -33 C. +60 d. -180 20. Page 6 of 6
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