[" Dn is decreased then "," 10.The work function for tungsten and sodium are "4.5" eV and "],[" tron decreases "],[" ron increases "],[" ot change "]

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 -

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 photoelectric work function of tungsten is 4.5 eV. Calculate its threshold wavelength.

Work functions of copper and cesium are 4.5 eV and 1.9 eV, respectively. What are the corresponding threshold frequencies for these metals ?

The work function of sodium is 2.3 eV . The threshold wavelength of sodium 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 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