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 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 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 ?

Which ofthe following curves may represent the energy of electron in hydrogen atom as a function of principal quantum number n:

Which of the following curves may represent the radius of orbit (r_(n)) in H-atoms as a function of principal quantum number (n)

Which of the following curves may represent the radius of orbit (r_n) in a H-atoms as a function of principal quantum number(n)

Which of the following metals causes harmful effects?

A hot liquid is kept in a big room. Its temperature is plotted as a function of time. Which of the following curves may represent the plot?