Yellow light emitted from a sodium lamp has a wavelength (λ) of 580 nm, the frequency (v¯) of the yellow light is 5.1724×10xs−1. The value of x is

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answer is 14.

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Detailed Solution

Wavelength of yellow light =580nm=580×10−9m c (velocity of light) =3.0×108ms−1 ∴ Frequency, (v)=cλ=3.0×108ms−1580×10−9m =5.1724×1014s−1

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