Solution)
Given,
Frequency, f=5.23*10^14 Hz
We know,
Wavelength, lambda=velocity/frequency
So, lambda=0.697*(3*10^8)/(5.23*10^14)
Lambda= 3.99*10^-7 m= 399.80 nm (Ans)
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The speed of a light wave in a certain transparent material is 0.697 times its speed...
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