Physics, 12.03.2021 15:40 KingREGEVER7446
An astronomer is observing a nearby star system in an attempt to determine whether it is made up of one or two stars. If the star system is 4.1 light-years away and she is observing with blue light (400 nm) using a telescope with a 7.4 meter circular primary mirror, how far apart must the stars be (perpendicular to the line of sight) in order for her to tell them apart
Answers: 3
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Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.
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Calculate the volume of this regular solid. what is the volume of the cone? round your answer to the nearest hundredth
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An astronomer is observing a nearby star system in an attempt to determine whether it is made up of...
Mathematics, 15.04.2020 02:57