Examlex
Two stars that are very close may appear to be one. The ability of a telescope to separate their images is called its resolution. The smaller the resolution, the better a telescope's ability to separate images in the sky. In a refracting telescope, resolution ( see the figure ) can be improved by using a lens with a larger diameter D. The relationship between
in degrees and D in meters is given by
, where
is the wavelength of light in meters. The largest refracting telescope in the world is at the University of Chicago. At a wavelength of
meter, its resolution is
. Approximate the diameter of the lens to the nearest hundredth of a meter.
Self-Contained Breathing Apparatus
A device worn to provide breathable air in environments that are immediately dangerous to life or health.
Mass Casualty Incident (MCI)
An event that overwhelms the local healthcare system with the number and severity of casualties.
Anthrax
A serious infectious disease caused by the bacterium Bacillus anthracis, which can affect the skin, lungs, and intestines.
Health Care Resources
Various services, goods, facilities, and staff available to provide patient care and improve health outcomes.
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