(40) Two stars distant two light years are just resolved
by a telescope. The diameter of the telescope lens is
0.25 m. If the wavelength of light used is 5000 AO,
then the minimum distance between the stars is
1) 1.22x1011 m 2) 2.44x1011 m
3) 3.66x100 m 4) 4.88x1010 m
Answers
Answered by
1
1.22 * 10^11 m would be the minimum distance between the stars.
Explanation:
Given that,
Diameter of the telescope lens = 0.25m
Wavelength =
To find,
The minimum distance between the stars = ?
Procedure:
D = 2L. Sinθ./2
= 2 * 9.461 * 10^15 * 1.22 * 10^-6
= 1.22 * 10^11
so,
Δθ = (1.22 * 5000 * 10^-10)/0.25
Δθ = 2.44 * 10^-6
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