Q51. Wavenumber for a radiation having $5800 \tilde { A } \ldots$ wavelength is $x \times 10 \mathrm {~cm} ^ { - 1 }$. The value of $x$ is $\_\_\_\_$ (Integer answer)
Q51. Wavenumber for a radiation having $5800 \tilde { A } \ldots$ wavelength is $x \times 10 \mathrm {~cm} ^ { - 1 }$. The value of $x$ is $\_\_\_\_$ (Integer answer)