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NEET
Exam
NEET
Subject
Physics
Chapter
Dual Nature of Matter

NEET · Physics · Dual Nature of Matter

The figures shows the variation of photocurrent i with anode...

The figures shows the variation of photocurrent ii with anode potential VV for three differential radiations. Let Ia,IbI_a, I_b and IcI_c be the intensities and fa,fbf_a, f_b and fcf_c be the frequencies for the curves a,ba, b and cc respectively. Then The figures shows the variation of photocurrent i with anode potential V for three differential radiations. Let I_a,

Options

  1. Afa=fbf_a=f_b and Ia≠IbI_a \neq I_b
  2. Bfa=fcf_a=f_c and Ia=IcI_a=I_c
  3. Cfa=fbf_a=f_b and Ia=IbI_a=I_b
  4. Dfb=fcf_b=f_c and Ib=IcI_b=I_c

Correct answer

A. fa=fbf_a=f_b and Ia≠IbI_a \neq I_b

Step-by-step solution

Stopping potentials for bb and aa are same \therefore \quad f_a=f_b and saturation current for bb and aa are different \therefore \quad I_b \neq I_a
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