Galileo's first telescope used the arrange-ment shown in the figure to the right, witha double-concave eyepiece slightly beforethe focus of the objective lens. Use raytracing to show that this design gives anupright image, which makes the Galileantelescopes useful in terrestrial observing.Ilint: to handle two lenses in series, usethe image of the first lens as the object ofthe second lens.fo

The given lens arrangement is that of galileo telescopic lens. the ray diagram depicting that final…

Answered: Galileo's first telescope used the…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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These images show one of the large `VLT’ telescopes at the European Southern Observatory’s facility at Cerro Paranal, Chile. The place where the laser beam comes out (seen in the inset photo) is just out of sight off of the top edge of the large photo. Also note that if you look down the telescope tube (in the main photo), you can see the tube’s front-end structure. Why is there a laser beam shooting out of the front of this telescope (in the inset picture)? Group of answer choices The beam creates an `artificial star’, which is used by an adaptive-optics system to measure (and counteract) the blurring effect of Earth’s atmosphere. The astronomers are bouncing light off of objects near the center of the Milky Way galaxy, to measure their distances from Earth. The astronomers are taking pictures of the surface of a planet (most likely Mars), and the laser allows them to light up the planet’s surface with a very specific color of light. The astronomers are engaged in the opening…
A diverging lens has a focal length of -16.0 cm. Locate the images for each of the following object distances. For each case, state whether the image is real or virtual and upright or inverted, and find the magnification. (a) 32.0 cm cm real, erectreal, inverted virtual, uprightvirtual, inverted magnification ✕(b) 16.0 cm cm real, erectreal, inverted virtual, uprightvirtual, inverted magnification ✕(c) 8.0 cm cm real, erectreal, inverted virtual, uprightvirtual, inverted magnification ✕
Draw in full scale the front view (indicated by the arrow A), top view and right-side view ofthe following object in Third Angle Projection. Each isometric square shown on the drawingrepresents one square on the grid.
A 75mm long line AB has its end A 10mm above HP and 15mm in front of VP. The line is inclined at 30 degrees to the HP while it's front view measures 50mm. Draw the projections of the line and find the length of the Top View and true inclination of the line with the vertical plane. Also find the distance of end B from the HP and VP and the distance between the end projectors.
You have a telescope that consists of two converging lenses which are placed a distance apart which is approximately equal to the sum of their focal lengths. Focal length 1 is appriximatly 5.5cm and focal length 2 is approximatly 25cm. The lens closest to the onject should have a resonably long focal length and the eyepiece lens should have a relatively short focal length to get good magnification. a. draw a scale ray diagram for a telescope using one long and one short focal length lens. b. Estimate how much larger your distance object appears through your telescope and then calculate the angular magnification.
Given below is a view showing AC, HG, and ADEF. 1. Using two additional reference planes, draw the view wherein triangles ABC and DEF are both in edge view. 2. The following conditions must also hold true: AABC is in edge view in the given view ADEF is NOT in true shape in the given view AABC and ADEF are perpendicular to one another AABC is a right isosceles triangle with hypotenuse AC The length of AC and HG are equal AC is parallel to ADEF 3. Complete all views. Ex DX (TL) XA
COMPLETE THE HORIZONTAL VIEW OF LINE AB, THEN PROJECT A TRUE LENGTH VIEW OFF THE HORIZONTAL VIEW. LABEL THE TRUE LENGTH OF THE LINE. SCALE: 1-10 ME BF AF NAME: AP COMPLETE THE FRONT VIEW OF LINE JK, THEN DETERMINE AND LABEL THE TRUE LENGTH OF LINE JK. SCALE: 1=5 (METRIC) Flp *P SCALE: NA 6.1
Draw Full Section Front View & Top View of the given object. 30 40 30 120 2. Draw Hal 20
Answer question 3 in the attached image please
Given the two views of an object, draw the missing view and an isometric of the object VP
Draw the Orthographic Projections (Front View, Top View and Side View) from the following Isometric View.
Q3: Draw the Full Sectional Front view and Top View of given object 70 50 10 10 15 040 88

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