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Q: Which telescope optical or X-ray would have higher resolving power for the same aperture Calculate the magnitude of the faintest object that a 20 m optical telescope can detect?
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What do you mean by resolving power of telescope?

The "resolving power" of a telescope is a measure of the ability of a telescope to distinguish between two separate objects that appear to be very close together in the sky.


What property of an optical telescope is associated with sharper images?

The aperture of the main lens or mirror, which also determines the light gathering power ------------------------- True but the quality of the mirrors or lenses (how near they are to a perfect shape for the design of telescope) determines the sharpness of the image.


Calculate the resolving power if the wavelength is 600 nm and the numerical apertures are 0 0.2 0.4 0.6 0.8 and 1.0?

Use the Equation, Resolving Power=lambda/2(Numerical Aperture). So, given the values for Numerical Aperture(NA): If NA=0, then R=0, NA=0.2, then R=1500, NA=0.4, then R=750, etc. Simply solve the equation substituting the provided Numerical Aperture (NA) values in.


What is the root and the root meaning of aperture?

The act of opening., An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall., The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture.


What power of an optical telescope is most affected by light pollution?

A small aperture.


Can anyone tell me the name of a ground based telescope that looks at visible light?

The Hale Telescope at Mount Palomar has an aperture of 200 inches.


Why does the diameter of the telescope aperture matter?

A larger telescope will have a higher resolution. It will also allow us to see fainter objects (stars, etc.).


What kind of telescope is the hubble telescope?

HST is a Cassegrain reflecting telescope using the Ritchey–Chrétien design, with an aperture of 7.9' (2.4m). It has observational ability in the Ultraviolet, Infrared, and Visible light spectrums.


What telescope must be mounted on high-flying aircraft or a satellite to be useful in studying the stars?

A large aperture telescope that does not have adaptive optics which can compensate for unevenness in the atmosphere.


What telescope must be mounted on high flying aircraft or a satellite to be useful in studying stars?

A large aperture telescope that does not have adaptive optics which can compensate for unevenness in the atmosphere.


What does the light gathering ability of a telescope depend on?

A refracting telescope is a type of optical telescope. It was used in astronomical telescopes and spy glasses. Objective lens are used to produce the image.


What happens to contrast and resolving power when the aperture of the condenser of a compound microscope is decreased?

That will depend whether the microscope is designed to cope with the new wavelength as well as it did with the old. For example, ordinary visible-light microscopes are useless for ultraviolet. The absolute limit to resolving power with perfect optics is about quarter of a wavelength but real microscopes fall short of this.