Why does primary or objective lens of a refracting telescope should have a longer focal length?
Q: he primary mirror of a telescope is 2.4 m in diameter. At what altitude will you need to pilot the…
A: The distance between two objects be defined as, Here, dθ be defined as the Rayleigh criterion.
Q: If the camera lens has diameter 0.05 m, focal-length 0.16 m, and pixel size 2 microns (2 * 10^(-6)…
A: Given Diameter (d) = 0.05 m Focal length (f) = 0.16 m Pixel size = 2 microns
Q: The moon is 3.5 × 10^6 m in diameter and 3.8× 10^8 m from the earth's surface. The…
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Q: A Kepler telescope has an objective lens of focal length 120 cm. It is used to observe a star…
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Q: You place an object 60 cm from a converging lens with a focal length magnitude of 80 cm. Where will…
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Q: Typically, a good eyepiece will have a focal length of approximately an inch. Suppose we have one…
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Q: An astronomical telescope has an objective with a focal length of 1.8 m and an ocular with a focal…
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Q: As you move an object farther away from your eye, what happens to the lens of your eye in order to…
A: Given, We have to find, what happens to the lens of our eye to form as sharp image on the retina, as…
Q: A refracting telescope has an eyepiece of focal length 4cm and an angular magnification of 20. The…
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Q: A diverging lens has a focal length of 12 cm. A 5 cm object is placed 46 cm from the lens.…
A: Given data: Focal length of lens is, f=12 cm. Height of object is, ho=5 cm. Object distance is, u=46…
Q: An astronomical telescope has an objective with a focal length of 0.90 m and an ocular with a focal…
A: In the question it is given that ,fo=0.9 mfe=4.5 cm
Q: Why must both the objective and the eyepiece of a compound microscope have short focal lengths?
A: Given: objective lens and eye piece
Q: calculate the image position and height. A 1.0-cm-tall object is 75 cm in front of a converging lens…
A: Converging lens or convex lens is used to focus or converge the light at single point. We are…
Q: In a telescope, if you decrease the focal length of the objective by a factor of 4, by what factor…
A: We know magnification of a telescope is, M=(Fo÷Fe) where, Fo = focal length of objective…
Q: A 5.3 cm high object is placed 21 cm away from a lens with focal length -6.4 cm. Calculate the…
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Q: A detective inspects a coin with a magnifying glass, as shown below. Viewed through the lens, the…
A: Given: magnification m= 3 distance of object u = 2.60 cm
Q: Turning the barrel of a 50-mm-focal-length lens on a manual-focus camera moves the lens closer to or…
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Q: Large telescopes are usually reflecting rather than refracting. List some reasons for this choice.
A: The reflecting telescopes can be made larger to be able to gather as much as light as possible. The…
Q: If a telescope has 2 converging lens, with an eyepiece that has a focal length of 3cm, and the…
A: The angular magnification of a telescope is given as:M=f0fewheref0 is focal lenght of objectivefe is…
Q: Which of the following statements if true for a refracting telescope? The eyepiece is a diverging…
A: A refracting telescope uses lens as it's objective to form an image. A reflective telescope instead…
Q: The objective mirror of a telescope has a diameter of 5000 mm and a focal length of 8000 mm. An…
A: The expression for the magnification of the telescope is as follows; m=fofe1+feD…
Q: A telescope's objective lens focal length is 30 cm. Its eyepiece focal length is 2 cm. What is the…
A: Given, Focal length of objective lens ,fo = 30 cm Focal length of eyepiece ,fe = 2 cm Magnification…
Q: A telescope has an objective lens with a focal length of 165 cm and an eyepiece of focal length 5.95…
A: Given Data: The focal length of the objective lens is fol = 165 cm. The focal length of the eyepiece…
Q: An astronomical telescope has an objective with a focal length of 1.7 m and an ocular with a focal…
A: Given Focal length of the objective lens is fo=1.7m Focal length of the ocular is fe=5.8 cm=0.058 m…
Q: The distance of the object is 30 cm, the image distance is 60 cm. What is the focal length of this…
A: The objective of the question is to calculate the focal length of a converging lens given the object…
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- For an eye that is 2.4 cm in diameter, what must be the range of focal lengths of the lens to focus objects from the near point (25cm) to infinity on the retina?If a telescope has objective and eyepiece lenses with focal lengths respectively of 124 cm and 2.90 cm, determine the distance needed between these two lenses in order to produce a final image far from the observer (where vision is most relaxed) when viewing a very distant object.The Yerkes refracting telescope has a 1 m diameter objective lens of focal length 20 m. Assume it is used with an eyepiece of focal length 5.29 cm. Find the angular magnification of the planet Mars as seen through this telescope.
- A small telescope has an objective lens of focal length 144cm and an eyepiece of focal length 6.0cm. What is the magnifying power of the telescope? What is the separation between the objective and the eyepiece?X Bookmarks + Profiles Tab Window urses/126421/quizzes/459496/take =Open Al a Alo Moves Question 24 Help A telescope is 10 inches in diameter, with focal length of 2500mm equipped with 3 eyepieces, diameter 1.25 inches with 40mm focal length, diameter 2 inches with 20mm focal length and diameter 1.25 inches with 8 mm focal length. 12pt Crab Symbolism &... N. Numerade (a) Which eyepiece yield the greatest magnification? explain your answer. (b) What is the magnification? Show your calculation. Edit View Insert Format Tools Table | BIU Paragraph el T² V 3 ptsCalculate the image distance when an object is placed 22 cm away from a diverging lens with focal length -10 cm. (Give answer in centimeters) MacBook Air 吕0 F3 F2 000 F8 F9 F4 F6 F7 $ % & 4 6 7 8 %# 3