The graph between `1 //lambda` and stopping potential ( V ) of three metals having work functions `phi_(1) , phi_(2)` and `phi_(3)` in an experiment of photoelectric effect is plotted as shwon in the figure. Which of the following statement (s) is `//` are correct ? [Here `lambda` is the wavelength of incident ray ].

The graph between 1//lambda and stopping potential (V) of three metals having work- functions Phi_1 , Phi_2 and Phi_3 in an experiment of photoelectric effect is plotted as shown in the figure. Which of the following statement(s) is/are correct? (Here, lambda is the wavelength of the incident ray). (a) Ratio of work functions phi_1 : phi_2 : phi_3 = 1 : 2 : 4 (b) Ratio of work functions phi_1 : phi_2 : phi_3 = 4 : 2 : 1 (c ) tan theta is directly proportional to hc / e, where h is Planck constant and c is the speed of light (d) The violet colour light can eject photoelectrons from metals 2 and 3 .

The graph between 1/lambda and stopping potential V_(0) of two metals having work funcation phi_(1) and phi_(2) in an experiment of photoelectric effect is obtained as shown in the figure. Find out - (i) Threshold wavelength ofboth metals (ii) phi_(1) : phi_(2) (iii) Whihc metal cen emit photoelectrons with visible light ?

The intensity of X-rays firom a coollidge tube is plotted against wavelength lambda as shown in the figure-3.12. Which ofthe following statements is/are correct:

In photoelectric experiment the plot between anode potential and photoelectric current is shown in figure 2.3.1. Which of the following is correct:

The graph between the stopping potential (V_(0)) and ((1)/(lambda)) is shown in the figure phi_(1) , phi_(2) and phi_(3) are work function , which of the following is //are correct

In a photoelectric experiment, kinetic energy of photoelectrons was plotted against the frequency of incident radition (v) , as show in figure. Which of the following statements is correct ?

Consider the following statements 1. phiin{phi}" 2."{phi}subephi Which of the statements given above is/are correct?

In photoelectric effect stopping is 3V_0 for incident wavelength lambda_0 and stopping potential V_0 for incident wavelength 2 lambda_0 . Find threshold wavelength.

In an experiment on photoelectric effect the frequency f of the incident light is plotted against the stopping potential V_(0) . The work function of the metal is given by ( e is the electronic charge)

The work function (phi) of some metals is listed below . The number of metals which will show photoelectric effect when light of 300 nm wavelength falls on the metal is :