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The magnification of a telescope

One way of observing dark matter is the phenomenon called ______________ that distorts and magnifies a distant source. (1 point)
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2. asked by b33ft0ads
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a certain Galilean telescope has a magnification of 2 times. if the focal length of the objective lens is 60 cm, how long is the
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2. asked by thalia
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Two converging lenses having power of +2.0 and +20.0 diopter are used to give magnifications in an astronomical telescope.
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2. asked by Ewuosa Destiny
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A telescope has a magnification of 20 and consists of two converging lenses, the objective and the eyepiece, fixed at either end
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2. asked by Lanise
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An astronomical telescope consists an objective of focal lenght 100cm and an eyepiece of focal lenght 8cm.calculate the angular
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2. asked by Matrix School 1
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An astronomical telescope consists an objective of focal lenght 100cm and an eyepiece of focal lenght 8cm. calculate the angular
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2. asked by Matrix School 2
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A laboratory (astronomical) telescope is used to view a scale that is 306 cm from the objective, which has a focal length of
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2. asked by Jessica
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The Yerkes refracting telescope has a 1 mdiameter objective lens of focal length 20 m.Assume it is used with an eyepiece of
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2. asked by Jim
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Galileo's first telescope used a convex objective lens with a focal length f = 1.65 m and a concave eyepiece. When this
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2. asked by Samantha
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Simple astronomical telescope in normal adjustment has an objective of focal length 100 cm and an eyepiece of focal length 5 cm.
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2. asked by Joselyne
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