answer the following questions Air=1.003 diamond = 2.42 Rocksalt = 1.24 kerosene 1.44 water= 1.333. a) what happens when the light travels from air to rocksalt? b) kerosene refractive index is 1.44 what is the meaning of the statement. c) which material has least refractive index?
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Answer:
Refractive index of water (1.33) < Refractive index of kerosene (1.44) < Refractive index of turpentine (1.47). Hence, Speed of light in water (fastest) > Speed of light in kerosene > Speed of light in turpentine (slowest). Thus, we can conclude that light travels fastest in water out of the given substances.n = (Vwc V w c ) ÷ (Vdc V d c ) = Inverse Ratio of refractive index of water and diamond. n=2.421.33 = 1.82 (approx.)
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Answer:
Using the information given in the table, the refractive index of kerosene is 1.44, that of turpentine is 1.47 and that of water is 1.33. Thus, water is having a lower refractive index and is optically rarer than kerosene and turpentine. The speed of light is inversely proportional to the refractive index. Therefore the light travels fastest in water because of its lower optical density.