The aperture of the objective is 24.4 cm. The resolving power of this telescope, if a light of wavelength 2440 $\mathop A\limits^o $ is used to see th object will be :

Question

8.1 $\times$ 10⁶

10.0 $\times$ 10⁷

8.2 $\times$ 10⁵

1.0 $\times$ 10^$-$8

Solution

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