Yellow light emitted from a sodium lamp has eavelenght (i) of `500 nm` .Find the frequency (v) wavelength `(barv)` of the yellow light

Explanation

To solve the problem of finding the frequency and wave number of yellow light emitted from a sodium lamp with a wavelength of 500 nm, we can follow these steps:

### Step 1: Convert Wavelength from Nanometers to Meters
The given wavelength (λ) is in nanometers (nm). We need to convert it to meters (m) for our calculations.

\[ \text{Wavelength in meters} = 500 \, \text{nm} \times 10^{-9} \, \text{m/nm} = 500 \times 10^{-9} \, \text{m} = 5 \times 10^{-7} \, \text{m} \]
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