The work function for tungsten and sodium are `4.5 eV` and `2.3 eV` respectively . If the threshold wavelength `lambda` for sodium is `5460 Å`, the value of `lambda` for tungsten is

The work functions of tungsten and sodium are 5.06 eV and 2.53 eV respectively. If the threshold wavelenth for sodium is 5896 Å , then the threshold wavelength for the tungsten will be

The work functions of tungsten and sodium are 5.06 eV and 2.53 eV respectively. If the threshold wavelenth for sodium is 5896 Å , then the threshold wavelength for the tungsten will be

The work functions of tungsten and sodium are 5.06 eV and 2.53 eV respectively. If the threshold wavelenth for sodium is 5896 Å , then the threshold wavelength for the tungsten will be

Work function of tungsten and sodium are 4.4 eV and 2.3 eV respectively . If threshold wavelength of sodium is 5460 Å , then the threshold wavelength of tungsten is

Work function of sodium and copper is 2.3 eV and 4.5 eV respectively.Ratio of their threshold wavelength will be…..

The work functions of potassium and sodium are 4.5 eV and 2.3 eV respectively. The approximate ratio of their threshold wavelength will be -

Work functions for metals A and B are 2 eV and 4 eV respectively. Which metal has a lower threshold wavelength and why ?

If the threshold wavelength for sodium is 5420 Å , then the work function of sodium is