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An Abbe number is a number which represents the reciprocal of the dispersive power of a substance with transparent qualities.
mediation
Specifically if you increase the diameter of the main lens, or of the main mirror (depending on the type of the telescope), you'll be able to observe dimmer objects (stars, planets, etc.). Also, the telescope's resolving power (angular resolution) improves with a bigger mirror/lens. For example, with a bigger mirror/lens you'll be able to distinguish two stars that are closer together as separate objects.
Treating the cause of pain underpins the idea of managing it. Injuries are repaired, diseases are diagnosed, and certain encounters with pain can be anticipated and treated prophylactically (by prevention).
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The ability of an optical instrument expressed in numerical measure to resolve the image of two nearby points is termed as resolving power. The dispersive power of a diffraction grating is defined as the rate of change of the angle of diffraction with the wavelength of lite. S M SOHEL RANA IU
the dispersive power of prism can be defined as the rate of change of angle of deviation in specific spectrum of light ..
Dispersive power is defined as the rate of change of angle of diffraction with the change of wavelength in a particular order of spectrum. Type your answer here...
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It works under the principle of refraction and the phenomenon of dispersion.
the resolving power of light microscope is 0.2 micrometr
Resolving power of microscope is inversely related to the wavelength of the light used. So shorter the wavelength, greater the resolving power.
resolving power
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Resolving power is the ability of an imaging device to separate points of an object that are located at a small angular distance