Solution)
Given,
Wavelength, lamda=4.75*10^-9 m
Speed, v=3*10^8 m/s
We know,
Velocity, v= f*lambda
So, frequency, f=(3*10^8)/(4.75*10^-9)= 6.31*10^16 Hz (Ans)
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17. Blue light has a wavelength of 4.75 X 100 m. What is the frequency when...
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