A point source causes photoelectric effect from a small metal plate. Which of the curves in Fig. may represent the saturation photo-current as a function of the distance between the source and the metal?

A point source causes photoelectric effect from a small metal plate. Which of the following curves may represent the saturation photocurrent as a function of the distance between the source and the metal?

A point source of light is used in an experiment on photoelectric effect . Which of the following curves best represents the variation of photo current (i) with distance (d) of the source from the emitter ?

A point source of light is used in an experiment on photoelectric effect . Which of the following curves best represents the variation of photo current (i) with distance (d) of the source from the emitter ?

The saturation current I of a photocell varies with distance from the source ( d ) as :

Threshold frequency for photoelectric effect from a metal surface of work function 4.5 eV is

A point source of light is used in a photoelectric effect. If the source is moved farther from the emitted metal, the stopping potential

A point source of light is used in a photoelectric effect. If the source is removed farther from the emitted metal, the stopping potential

A point source of light is used in a photoelectric effect. If the source is moved farther from the emitted metal, the stopping potential