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The resolving power of a microscope depends on the wavelength utilized. If one wished to "see" a particular type of molecule, a resolution of 1.2*10-10 m would be needed.
a) If electrons are used (in an electron microscope), what minimum kinetic energy is needed for the electrons?
_____________ keV
b) If photons are utilized, what minimum photon energy is required to obtain the required resolution?
A ray of light has an incident angle of 30.1 on a block of quartz and an angle of refraction of 20.4. what is the index of refraction for this block of quartz
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consider the earth and a cloud layer 800 m above the planet to be the plates of a parallel-plate capacitor.a if the
A sealed container of volume 0.10 m^3 holds a sample of 3.0 x 10^24 atoms of helium gas in equilibrium, Calculate the temperature and pressure of the helium gas
If a soccer ball that is stationary and has a mass of .45 kg is kicked by a player and leaves his foot at 23 m/s, what s the average force applied to the ball by the foot
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A beam of light is traveling in air and strikes a material. The angles of incidence and refraction are 58.8°, Obtain the speed of light in the material
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