Answer:
θ=0.0288 radian
Explanation:
resolution limit is the minimum angular separation of two sources that can be viewed distinctly by telescope
[tex]\theta =\frac{1.22\times \lambda}{D}[/tex]
[tex]\lambda=6000\times 10^{-8} cm=6 \times 10^{-5} cm[/tex]
[tex]d=100 inch=100\times 2.54=254cm[/tex]
[tex]\theta = \frac{1.22 \times 6 \times 10^{-5}}{254}[/tex]
θ=0.0288 radian