Sodium surface is illuminated with ultraviolet light and visible radiation successively and the stopping potentials are determined. Then the potential

In the experimental arrangement of photoelectric effect, the metal surface is first illuminated with violet light and then with ultraviolet light and the stopping potential is determined in each case. The stopping potential will

X-rays are used to irradiate sodium and copper surfaces in two separate experiments and stopping potential are determined. The stopping potential is

X-rays are used to irradiate sodium and copper surfaces in two separate experiments and stopping potential are determined. The stopping potential is

When a metallic surface is illuminated with radiation of wavelength lambda , the stopping potentials is V. If the same surface is illuminated with radiation of wavelength 2 lambda , the stopping potential is ( V )/( 4) . The threshold wavelength for the metallic surface is

When radiation of the wavelength lamda is incident on a metallic surface ,the stopping potential is 4.8 V. If the same surface is illuminated with radiation of double the wavelength ,then the stopping potential becomes 1.6 V.Then the threshold wavelength for the surface is

When radiation of wavelength lambda is incident on a metallic surface , the stopping potential is 4.8 "volts" . If the same surface is illuminated with radiation of double the wavelength , then the stopping potential becomes 1.6 "volts" . Then the threshold wavelength for the surface is