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CBSE Class 10 Answered

is there any formula that can determine the new wavelength of light when it enters glas,provided that wavelength in air and refractiveindex of the medium are given?
Asked by suryap2 | 19 Mar, 2011, 12:03: AM
answered-by-expert Expert Answer
Dear student,
 

Refractive index, n = c / v
In air :


Frequency = Speed / Wavelength = 5 x 10^14 Hz

Frequency does not change when light enters from one medium to another as it depends upon the source.

So
frequency in glass = 5 x 10^14 Hz

Wavelength = Speed / Frequency 

Hope this helps.

Thankyou

Team

Topperlearning.com

Answered by | 19 Mar, 2011, 01:24: PM

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