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Allushta [10]
3 years ago
10

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 .
Physics
1 answer:
pav-90 [236]3 years ago
4 0

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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