The stopping potential `(V_(0))`

When a photosensitive surface is illuminated with light of wavelength lambda , the stopping potential is V_(0) . But when light of wavelength 2lambda is incident on the same surface, the stopping potential is (V_(0))/(4) . What is the threshold wavelength for the surface ?

The figure shows different graphs between stopping potential (V_(0)) and frequency (v) for photosensitive surface of cesium , potassium , sodium and lithium. The plots are parallel. Correct ranking of the targets according to their work function greatest forst will be

The figure shows different graphs between stopping potential (V_(0)) and frequency (v) for photosensitive surface of cesium , potassium , sodium and lithium. The plots are parallel. Correct ranking of the targets according to their work function greatest forst will be

When a surface 1 cm thick is illuminated with light of wavelength lambda , the stopping potential is V_(0) , but when the same surface is illuminated by light of wavelength 3lambda , the stopping potential is (V_(0))/(6) . Find the threshold wavelength for metallic surface.

When a surface 1 cm thick is illuminated with light of wavelength lambda , the stopping potential is V_(0) , but when the same surface is illuminated by light of wavelength 3lambda , the stopping potential is (V_(0))/(6) . Find the threshold wavelength for metallic surface.

When a certain metal surface is illuminated wth light of frequency v, the stopping potential for photoelectric current is V_(0) . When the same surface is illumiinated by light of frequency (v)/(2) , the stopping potential is (V_(0))/(4) . The threshold frequency ofr photoelectric emissiohn id

For metals cesium ,potassium ,sodium and lithium graph of stopping potential ( V_(0))to frequency (v) is shown in figure .These graph are parallel.Arrange work function from lerger to smaller value.

When a surface 1cm thick is illuminated with light of wave length lambda the stopping potential is V_(0) , but when the same surface is illuminated by light of wavelength 3 lambda , the stopping potential is V_(0)/6 . The threshold wavelength for matellic surface is: