1) Resolving power of telescope increases when A) wavelength of light decreases B) wavelength of light increases C) focal length of eye-piece increases D) focal length of eye-piece decreases Answer: Option AExplanation: Resolving power of a telescope is given by RP= $\frac{d}{1.22 \lambda}$ i.e, $RP\propto \frac{1}{\lambda}$ Where $\lambda$ (wavelength of light) decreases, resolving power of a telescope increases