Which of the following statements is not true with respect to photoelectric effect?

Q. Which of the following statements is not true with respect to photoelectric effect ?

A.            The plot of kinetic energy of the photoelectrons against frequency of absorbed radiation gives a straight line parallel to x-axis

B.            The plot of K.E. of the photoelectrons against frequency of absorbed radiation gives a straight line with slope equal to h and intercept ro

C.            The plot of kinetic energy of the photoelectrons versus the intensity of incident radiation with constant frequency gives a straight line parallel to x-axis

D.            When intensity of light is increased the number of photons ejected increases but the energies of these electrons are the same

Answer: The plot of kinetic energy of the photoelectrons against frequency of absorbed radiation gives a straight line parallel to x-axis

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