Large aperture of telescope are used for

Which on of the following in correct? Large aperture telescopes are used for

The aperture of telescope is increases to

If 'a' is the aperture of telescope and ' lamda ' is the wavelength of light then resolving power of telescope is ……………..

The objective with large aperture are used in telescope for

The aperture of a telescope is made large, because

The aperture of a telescope is made large, because