The wavelength of a yellow line in spectrum of sodium atom is 5896 A. Express it in nm.
The wavelength of yellow sodium line (5896 Å) emitted by a star is red shifted to 6010 Å. What is the component of the star's recessional velocity along the line of sight? Speed of light = 3xx10^(8)ms^(-1) .
The wavelength of th first spectral line of sodium 5896 Å . The fisrt excitation potential of sodium atomm will be (Planck's constant h=6.63xx10^(-34) J-s)
The wavelength of yellow light in vacuum is 6000 Å. If the absolute refractive index of air is 1.0002, then calculate the thickness of air column which will have one more wavelength of yellow light than in the same thickness of vacuum.
The wavelength of a monochromatic light in vacuum is 4000 Å. It's wave number in glass of refractive index 1.6 is
The wavelength of a beam of light in air is 5000 Å . Find the number of waves of the beam in 10 cm of glass of refractive index 1.5 k
A light wave in air enters a medium of refractive index (4)/(3) . If the wavelength of light in air is 6000Å , then the wave number of light in the medium is
The wavelength of first line of Balmer series is 6563Å . The wavelength of first line of Lyman series will be
The K_(alpha) line from molybdenum (atomic number=42) has a wavelength off .7078Å. The wavelength off K_(alpha) line of zinc (atomic number=30) will be
