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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.

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9y ago
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10y ago

RP= Wavelength/2xNA

NA=numerical aperture

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Q: What do you mean by resolving power of telescope?
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Is it better to have a telescope with a high resolving power or a high magnification explain why?

haha


What is the resolving power of a 25Cm telescope?

Resolving power is measured in arc seconds. The formula to find this is as follows: arc seconds (x) = 11.6/(D) 11.6 is part of the formula D- is the diameter of the telescope (which you have = 25cm) Therefore the resolving power should be: 11.6/25 = .46 arc seconds


Does the diameter of a telescope control its magnification?

No, you can change the magnification of the telescope by simply changing the eyepiece. The two most important powers of the telescope, light-gathering power and resolving power, depend on the diameter of the telescope, but it does not control the magnification.


The ability of a telescope to separate 2 closely spaced stars is called what?

Resolving power / the resolution.


What is needed to produce a telescope with high resolving power?

Mainly, it has to have a large main lens, or main mirror.


Are light-gathering power and resolving power determined by the primary mirror of a telescope?

Yes, both have to do with the diameter of the objective mirror/lens


Why can smaller parallax angles be measured by telescopes in Earth orbit?

Earth's atmosphere does not limit a telescope's resolving power.


What are the 4 properties of a telescope?

I know of at least three. I hope these help: - magnifying power - light gathering power - field of view


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.


What is the Definition of resolving power?

The ability of a microscope, telescope, or other optical instrument to produce separate images of closely placed objects. It's also possible to relate this to optical instruments such as computer screens or digital cameras where a higher resolution (more resolving power) will produce a clearer image.


What does resolving power of a microscope mean?

its ability to distinguish two items at its highest magnification


What is dispersive power and resolving power of a grating?

No