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Which of the graphs shown below does not represent the relationship between the incident light and the electron ejected from the metal surface?

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Important Questions on Structure of Atom

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The ground state energy of hydrogen atom is -13.6 eV. The energy of second excited state of He+ ion in eV. Is
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The de Broglie wavelength λ associated with a photoelectron varies with the frequency v of the incident radiation as, [ v0 is threshold frequency]:
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Heat treatment of muscular pain involves radiation of wavelength of about 900 nm. Which spectral line of H-atom is suitable for this purpose?
RH=1×105cm-1, h=6.6×10-34Js,c=3×108ms-1
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If the de Broglie wavelength of electron in nth Bohr orbit in hydrogenic atom is equal to 1.5πa0 ( a0 is Bohr radius), then the value of n/Z is
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The threshold wavelength λ0 of sodium metal is 6500 Å. If UV light of wavelength 360 Å is used, what will be the kinetic energy of the photoelectron in ergs?
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An electron beam can undergo diffraction by crystals. Through what potential should a beam of electrons be accelerated, so that its wavelength becomes equal to 1.54 A° ?
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Radiation corresponding to the transition n=4 to n=2 in hydrogen atoms falls on a certain metal (work function =2.5 eV). The maximum kinetic energy of the photo-electrons will be: