The least resolvable angle by a telescope using objective of aperture \( 5 \mathrm{~m} \) is nea...

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The least resolvable angle by a telescope using objective of aperture \( 5 \mathrm{~m} \) is nearly \( (\lambda=4000\)math xmlns=http://www.w3.org/1998/Math/MathMLmsupmiA/mimio/mi/msup/math)
a. \( \frac{1}{50^{\circ}} \)
b. \( \frac{1}{50} \) minute
c. \( \frac{1}{50} \sec \)
d. \( \frac{1}{500} \sec \)
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