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

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 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

If threshold wavelength for sodium is 6800Å then the work function will be

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

The work function of two metals metal A and metal B are 6.5 eV and 4.5 eV respectively. If the threshold wavelength of metal A is 2500 A, the threshold wavelength on metal B will be approximately equal to

The work function of two metals metal A and metal B are 6.5 eV and 4.5 eV respectively. If the threshold wavelength of metal A is 2500 A, the threshold wavelength on metal B will be approximately equal to

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