Resolving power of a telescope can be increased by increasing:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Diameter of Objective lens
The resolving power of a telescope can be increased by increasing the diameter of objective lens or by decreasing the wavelength of light.
Objective lens diameter - A larger objective lens allow more light to enter the telescope, which make it easier to distinquish between nearby objects.