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: 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: A screen is placed a distance d = 42.0 cm to the right of a small object. At what two distances to…
A: We will solve the quadratic equation,
Q: An object with height of 5 cm is placed 15 cm in front of a convex lens with focal length 10cm. What…
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Q: If a telescope is accurately focused on a distant object, in what direction must the eyepiece be…
A: Magnification of image (M) produced by the telescope is given as, M=fofe Here, fo is the focal…
Q: A telescope is made of an object glass of focal length 20 cm and an eyepiece of 5 cm, both…
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Q: A thin, converging lens has a focal length of 7 cm. If an object is placed 27.3 cm from the lens,…
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Q: A thin, converging lens has a focal length of 9.9 cm. If an object is placed 34 cm from the lens,…
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Q: thin, converging lens has a focal length of 8.8 cm. If an object is placed 46 cm from the lens,…
A: Given that The focal length of the converging lens f = +8.8cm (positive…
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 5.3 cm high object is placed 7 cm away from a lens with focal length -5.7 cm. Calculate the height…
A: we know the lens formula 1/v-1/u =1/f
Q: If an object were placed a distance of 15 cm from the convex lens (on the right hand side of 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: The length of a telescope is 1 m. If the focal length of the eyepiece is 2 cm, what is the…
A: Given: The length of the telescope is 1 m. The focal length of eyepiece is 2 cm. To…
Q: For a converging lens with a focal length of 12 cm viewing an object at a distance of 6 cm. Where is…
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Q: A steam turbine receives a steam flow rate of 2kg/s and the power output is.. 700 kW. The heat loss…
A: The steady flow energy equation states that for steady-state condition, the mass entering inside the…
Q: When a converging lens of focal length f is used as a magnifying glass, the object distance must be…
A: The use of magnifying glass to view big image of small object.
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: A small telescope has an objective lens of focal length 144 cm and an eyepiece of focal length 6.0…
A: We have- Focal length of the objective lens, fo=144 cm Focal length of the eyepiece, fe=6.0 cm To…
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: calculate the image position and height. A 2.0-cm-tall object is 40 cm in front of a converging lens…
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Q: Lens A has a maximum magnifying power M = 2. Lens B has a maximum magnifying power M = 6. If these…
A: We know that if two lenses are combined then their resultant magnification is equal to the product…
Q: The primary mirror on a telescope has a 8 m radius of curvat telescope as if it were a refracting…
A: Radius of curvature of Objective R= 2m Focal length of eyepiece Fe = 32 mm = 0.032 m To find: (1)…
Q: A thin, converging lens has a focal length of 7.8 cm. If an object is placed 30.2 cm from the lens,…
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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: A giant refracting telescope at an observatory has an objective lens of focal length 15m. If an…
A: The focal length of the objective lens,
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 converging lens with a focal length of +6.0 cm is placed 4.0 cm in front of a diverging lens with…
A: Given:focal length of converging lens, f1 = + 6.0 cmfocal length of the diverging lens, f2 = −2.5…
Q: What image is produced by placing an object 8 cm away from a convex lens of focal length 12 cm?
A: Given data :- distance between lens and the object u = 8 cm focal length of the lens f = 12 cm
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 small telescope has an objective lens of focal length 140cm and an eyepiece of focal length 5.0cm.…
A: (a) When the telescope is in normal adjustment, its magnifying power is given as,
Q: A 7 -cm high object is placed 12 cm from a 20 -cm focal length diverging lens. Determine the image…
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Q: image location
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Q: You’ve entered a survival contest that will include building a crude telescope. You are given a…
A: Given: You’ve entered a survival contest that will include building a crude telescope. You are given…
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