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ID: 193858
Папка: Practical lessons
Laboratory class №10. Determination of the refractive index of a liquid using a refractometer.
  1. What phenomenon is called refraction of light?
  2. What is the physical meaning of absolute and relative refractive indices?
  3. Formulate the laws of light refraction.
  4. What is called the limiting angle of refraction?
  5. Tell us about the phenomenon of total internal reflection of light.
  6. Tell us about the work of the refractometer (ray path in transmitted and reflected light).
  7. Tell us about the use of refraction in biomedical research.
  8. What is the purpose of fiber optics used in medicine?
  1. The absolute refractive index of the medium is 1.5. What is the speed of light in this environment?
  2. The speed of light in a certain medium is 2.5 108m / s. What is the absolute refractive index of the medium?
  3. The wavelength of violet light in a vacuum is 400 nm. Determine the wavelength of this radiation in topaz if its refractive index is 1.83.
  4. A ray of light is incident on a glass plate with a refractive index of 1.5. Find the angle of incidence if the angle between the reflected and refracted rays is 900.
  5. Find the limiting angle of incidence of the beam on the glass-water interface.
  6. The limiting angle of incidence for a ray exiting the turpentine into the air is 42023 '. Determine the speed of propagation of light in turpentine.