The wavelength of `K_(alpha)` line for copper is `1.36^(@)`. Calculate the ionisation potential of a K shell electron in copper.

The wavelength of K_(alpha) line in copper is 1.54 Å . The ionisation energy of K electron in copper in Joule is

The wavelength of K_(alpha) line in copper is 1.54 Å . The ionisation energy of K electron in copper in Joule is

The wavelength of K_(a) line copper is 1.5Å . The ionisation energy of K electron in copper is

The wavelength of K_(a) line copper is 1.5Å . The ionisation energy of K electron in copper is

The wavelength of the first line of Balmer series in hydrogen atom is 6562.8Å . Calculate ionisation potential of hydrogen and also, the wavelength of first line of Lyman series.

Find the wavelength of the K_(alpha) line in copper (Z=29) , if the wave length of the K_(alpha) line in iron (Z=26) is known to be equal to 193 "pm" (Take b=1 )

Find the wavelength of the K_(alpha) line in copper (Z=29) , if the wave length of the K_(alpha) line in iron (Z=26) is known to be equal to 193 "pm" (Take b=1 )

When 50 keV electrons are made incident on a target material, the wavelength of K_(alpha) X–ray line was found to be 0.5Å. When the accelerating potential is increased to 100 kV, then the wavelength of K_(alpha) –line from the same target will be

Calculate the wavelength of K_(alpha) line for the target made of tungsten (Z = 74) .