As the diameter of objective lens of a telescope increases, the resolution of telescope
Detailed Explanation:
Resolution of a telescope is its ability to distinguish between two closely spaced objects and is inversely proportional to the angular resolution θ.
According to Rayleigh's criterion, θ = 1.22λ/D, where λ is the wavelength of light and D is the diameter of the objective lens. As D increases, θ decreases, meaning the telescope can resolve finer details — hence resolution increases.
A larger aperture also collects more light, further improving image clarity and the ability to separate closely spaced objects.
Question 3 of 11 Light and Optics
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