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CBSE Class 10 Answered

numerical
Asked by keyboard | 30 Aug, 2008, 10:52: AM
answered-by-expert Expert Answer

a) reflected light - Nothing changes in the reflected light.

b) Refracted light:The frequency of refracted light does not change.
      n = speed of light in air /speed of light in medium = wavelength of light in air/wavelength of light in medium

      1.33 = 3x108 / speed in medium=>  speed in medium= 3x108 / 1.33 = 2.20x108 m/s

      1.33 = 589nm / wavelength in medium => wavelength in medium=589nm / 1.33 = 4.42nm

Answered by | 13 Dec, 2008, 07:36: PM

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