The large aperture of an astronomical telesco | vedclass

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(B) The resolving power of a telescope is given by the formula: $RP = \frac{d}{1.22 \lambda}$,where $d$ is the diameter of the objective lens (apertur

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Have high resolving power.

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(B) The resolving power of a telescope is given by the formula: $RP = \frac{d}{1.22 \lambda}$,where $d$ is the diameter of the objective lens (aperture) and $\lambda$ is the wavelength of light.From this relation,it is clear that the resolving power is directly proportional to the aperture: $RP \propto d$.Therefore,a larger aperture is used to increase the resolving power of the telescope,allowing it to distinguish between two closely spaced objects.

The large aperture of an astronomical telescope is used to:

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