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CBSE Class 11-science Answered

Calculate the wave number of a wave with a frequency of 6.2 *10^7
Asked by doddisriman | 29 Oct, 2023, 21:43: PM
answered-by-expert Expert Answer
Wavelength of wave is given by, 
 
Wavelength = velocity of light in vacuum/ frequency of light
 
lambda equals c over nu
λ = 3 x 108 m/s / 6.2 × 107 Hz
= 4.83 m 
 
Wave number = 1/λ
Wave number = 1/4.83 
 
Wave number = 0.206
Answered by Shiwani Sawant | 31 Oct, 2023, 10:05: AM

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