why should the temperature of the sample be controlled during the refractive index?
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why should the temperature of the sample be controlled during the refractive index?
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- A thin prism of 5° angle gives a deviation of 3.2°. What is the value of refractive index of the material of the prism?The refractive indices of silicate flint glass for wavelengths 400 nm and 700 nm are 1-66 and 161 respectively. Find the minimum angles of deviation of an equilateral prism made of this glass for light of wavelength 400 nm and 700 nm.Find the refractive index of a material for which the polarizing angle in air is 62°.
- State the approximate value of the critical angle for (a) glass- air surface (b) water- air surface.A thin prism of 5° angle gives a deviation of 3.2°. What is the value of refractive index of the material of the prism?A plane sound wave in air at 20°C, with wavelength 589 mm, is incident on a smooth surface of water at 25°C at an angle of incidence of 12.3°. (a) Determine the angle of refraction for the sound wave. (b). Determine, the wavelength of the sound in water. Enter a number with units. A narrow beam of sodium yellow light, with wavelength 589 nm in vacuum, is incident from air onto a smooth water surface at an angle of incidence of 12.3o. (c) Determine the angle of refraction. (d) Determine the wavelength of the light in water.