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2 Control of Medical Physics, Option 13
Uploaded: 20.09.2013
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1.Nayti resolution limit of the microscope for dry eye is most sensitive to long wavelength of 55 nm if the aperture angle of 1400.
2. Determine the frequency of the light escaping from the surface of the metal electrons is completely confined in the potential difference of 5 V. The photoelectric threshold of 10-15 s-1. Find the work function of the electrons of the metal.
3. When the light passes through the layer of 1/3 the initial solution absorbed light energy. Determine the transmittance and absorbance of the solution.
4.Elektrony to reach the anode X-ray tube with a velocity 108 m / s. Under what operating voltage pipe.
5.Kakova activity of the drug, if within 10 min breaks 10,000 nuclear substances.
6.Predelny reflection angle for alcohol 470 Find the index of refraction of alcohol.
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