Question

sketch a graph showing variation of photoelectric current with applied voltage for two incident radiation of equal intensity and different frequencies. Mark the graph for the radiation of higher frequency​

Answer 1

The graph I2 corresponds to radiation of higher intensity [Note: Deduct this ½ mark if the student does not show the two graphs starting from the same point.] (Also accept if the student just puts some indicative marks, or words, (like tick, cross, higher intensity) on the graph itself. Detailed Answer : The graph between photo electric current i and applied voltage V of equal frequency and different intensity I1 and I2, where I2 > I1, dark line shows higher intensity.Read more on Sarthaks.com - https://www.sarthaks.com/217635/showing-variation-photoelectric-incident-radiations-frequency-different-intensities

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