The graph between 1/2 and stopping potential (V) of three metals having work functions 1, 2...

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The graph between 1/2 and stopping potential (V) of three metals having work functions 1, 2 and 3 in an experiment of photo-electric effect is plotted as shown in the figure. Which of the following statement(s) is/are correct? [Here is the wavelength of the incident ray]. (A) Ratio of work functions :02:3=1:2:4 (B) Ratio of work functions 2:03 4:2:1 (C) tan 9 is directly proportional to hc/e, where h is Planck's constant and c is the speed of light. (D) The violet colour light can eject photoelectrons from metals 2 and 3. metal 1 0.001 0.002 0.004 metal 2 1/2 metal 3 nm -1 The graph between 1/2 and stopping potential (V) of three metals having work functions 1, 2 and 3 in an experiment of photo-electric effect is plotted as shown in the figure. Which of the following statement(s) is/are correct? [Here is the wavelength of the incident ray]. (A) Ratio of work functions :02:3=1:2:4 (B) Ratio of work functions 2:03 4:2:1 (C) tan 9 is directly proportional to hc/e, where h is Planck's constant and c is the speed of light. (D) The violet colour light can eject photoelectrons from metals 2 and 3. metal 1 0.001 0.002 0.004 metal 2 1/2 metal 3 nm -1

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