An astronomical telescope has an angular magnification of
An astronomical telescope has an angular magnification of -131. Its objective has a refractive power of 1.75 diopters. Evaluate the refractive power of its eyepiece?
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a diverging lens f -105 centimeter is located 20 centimeter to the left of a converging lens f 31 centimeter a 3
a farsighted woman breaks her current eyeglasses and is using an old pair whose refractive power is 1645 diopters since
electromagnetic waves are radiated uniformly in all directions from a source the rms electric field of the waves is
the far point of a nearsighted person is 56 meter from her eyes and she wears contacts that enable her to see distant
an astronomical telescope has an angular magnification of -131 its objective has a refractive power of 175 diopters
in a compound microscope the focal length of the objective is 320 centimeter and that of the eyepiece is 660 centimeter
i a radioactive sample produces 46035 decays per minute at one point in an experiment and 30809 days later produces 837
determine what fraction of a sample of carbon-14 is left after 214875 yr the half-life of carbon-12 is 5730
compute what period of time is required for a sample of radioactive uranium-235 to lose 99280 percent of its activity
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