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 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

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

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

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