The diameter of Mars is 6794km, and its minimum distance from the earth is 5.58×10^7 km. When Mars is at this distance, find the diameter of the image of Mars formed by a spherical, concave, telescope mirror with a focal length of 1.95 m .
1 answer:
Answer:
D = 0.2374 m
Explanation:
let D be the diameter of the image of mars, f be the focal length of the telescope mirror and β be the spatial resolution.
β = 6794×10^3/(5.58×10^7) = 0.1217562724
then:
The diameter of the telescope mirror is given by:
D = f×β
= (1.95)×(0.1217562724)
= 0.2374 m
Therefore, the diameter of the image of mars is 0.2374 m.
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