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Photocurrent against anode potential curves: compare frequencies and intensities

This type of question, asked 3 times: 9 May 2023 S2, 16 May 2023 S1, 26 Apr 2025 S2. All 3 questions below, oldest first.

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  1. Question 1

    9 May 2023 S2

    14
    The figure shows the variation of photocurrent with anode potential for four different radiations. Let fa,fb,fcf_a, f_b, f_c and fdf_d be the frequencies for the curves a, b, c and d respectively

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  2. Question 2

    16 May 2023 S1

    16
    The figure shows the variation of photocurrent with anode potential for four different radiations. Let Ia,Ib,IcI_a, I_b, I_c and IdI_d be the intensities for the curves a, b, c and d respectively [fa,fb,fcf_a, f_b, f_c and fdf_d are frequencies respectively]

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  3. Question 3

    26 Apr 2025 S2

    42
    The graph shows the variation of photocurrent with anode potential for four different radiations. Let Ia,Ib,IcI_{a},I_{b},I_{c} and IdI_{d} are intensities and fa,fb,fcf_{a},f_{b},f_{c} and fdf_{d} be the frequencies for the curves a,b,ca,b,c and d respectively, then

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