Physics-
General
Easy

Question

The correct graph between the maximum energy of a photoelectron and the inverse of wavelength of the incident radiation is given by the curve

  1. A    
  2. B    
  3. C    
  4. None of the above    

The correct answer is: A


    K 0 fraction numerator h c over denominator lambda end fraction fraction numerator h c over denominator lambda subscript 0 end subscript end fraction subscript m a x end subscript i.e. graph between K subscript m a x end subscript and fraction numerator 1 over denominator lambda end fraction will be straight line having slope (h(c) and intercept fraction numerator h c over denominator lambda subscript 0 end subscript end fraction on – KE axis

    Related Questions to study

    General
    Physics-

    The value of stopping potential in the following diagram

    The value of stopping potential in the following diagram

    Physics-General
    General
    Physics-

    The intensity of X-rays from a Coolidge tube is plotted against wavelength as shown in the figure. The minimum wavelength found is lambda subscript c end subscript and the wavelength of the K subscript alpha end subscriptline is lambda subscript k end subscript. As the accelerating voltage is increased

    The intensity of X-rays from a Coolidge tube is plotted against wavelength as shown in the figure. The minimum wavelength found is lambda subscript c end subscript and the wavelength of the K subscript alpha end subscriptline is lambda subscript k end subscript. As the accelerating voltage is increased

    Physics-General
    General
    Physics-

    In an experiment on photoelectric effect the frequency f of the incident light is plotted against the stopping potential V subscript 0 end subscript. The work function of the photoelectric surface is given by (e is electronic charge)

    In an experiment on photoelectric effect the frequency f of the incident light is plotted against the stopping potential V subscript 0 end subscript. The work function of the photoelectric surface is given by (e is electronic charge)

    Physics-General
    parallel
    General
    Physics-

    The stopping potential V for photoelectric emission from a metal surface is plotted along Y-axis and frequency n of incident light along X-axis. A straight line is obtained as shown. Planck's constant is given by

    The stopping potential V for photoelectric emission from a metal surface is plotted along Y-axis and frequency n of incident light along X-axis. A straight line is obtained as shown. Planck's constant is given by

    Physics-General
    General
    Physics-

    For the photoelectric effect, the maximum kinetic energy E subscript k end subscript of the emitted photoelectrons is plotted against the frequency n of the incident photons as shown in the figure. The slope of the curve gives

    For the photoelectric effect, the maximum kinetic energy E subscript k end subscript of the emitted photoelectrons is plotted against the frequency n of the incident photons as shown in the figure. The slope of the curve gives

    Physics-General
    General
    Physics-

    The figure shows the variation of photocurrent with anode potential for a photo-sensitive surface for three different radiations. Let I subscript a end subscript comma   I subscript b end subscriptand I subscript c end subscript be the intensities and f subscript a end subscript comma   f subscript b end subscript and f subscript c end subscript be the frequencies for the curves a, b and c respectively

    The figure shows the variation of photocurrent with anode potential for a photo-sensitive surface for three different radiations. Let I subscript a end subscript comma   I subscript b end subscriptand I subscript c end subscript be the intensities and f subscript a end subscript comma   f subscript b end subscript and f subscript c end subscript be the frequencies for the curves a, b and c respectively

    Physics-General
    parallel
    General
    Physics-

    Which of the following figure represents the variation of particle momentum and the associated de-Broglie wavelength

    Which of the following figure represents the variation of particle momentum and the associated de-Broglie wavelength

    Physics-General
    General
    Physics-

    In the following arrangement y = 1.0 mm, d= 0.24 mm and D = 1.2 m. The work function of the material of the emitter is 2.2 eV. The stopping potential V needed to stop the photo current will be

    In the following arrangement y = 1.0 mm, d= 0.24 mm and D = 1.2 m. The work function of the material of the emitter is 2.2 eV. The stopping potential V needed to stop the photo current will be

    Physics-General
    General
    Physics-

    In order to coincide the parabolas formed by singly ionised ions in one spectrograph and doubly ionized ions in the other Thomson’s mass spectrograph, the electric fields and magnetic fields are kept in the ratios 1 : 2 and 3 : 2 respectively. Then the ratio of masses of the ions is

    In order to coincide the parabolas formed by singly ionised ions in one spectrograph and doubly ionized ions in the other Thomson’s mass spectrograph, the electric fields and magnetic fields are kept in the ratios 1 : 2 and 3 : 2 respectively. Then the ratio of masses of the ions is

    Physics-General
    parallel
    General
    Physics-

    A proton, a deutron and an a-particle having the same momentum, enters a region of uniform electric field between the parallel plates of a capacitor. The electric field is perpendicular to the initial path of the particles. Then the ratio of deflections suffered by them is

    A proton, a deutron and an a-particle having the same momentum, enters a region of uniform electric field between the parallel plates of a capacitor. The electric field is perpendicular to the initial path of the particles. Then the ratio of deflections suffered by them is

    Physics-General
    General
    Physics-

    K1 wavelength emitted by an atom of atomic number Z = 11 is. Find the atomic number for an atom that emits K radiation with wavelength 4l

    K1 wavelength emitted by an atom of atomic number Z = 11 is. Find the atomic number for an atom that emits K radiation with wavelength 4l

    Physics-General
    General
    Physics-

    Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube. K shell electrons of tungsten have ionization energy 72.5 keV. X-rays emitted by the tube contain only

    Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube. K shell electrons of tungsten have ionization energy 72.5 keV. X-rays emitted by the tube contain only

    Physics-General
    parallel
    General
    Physics-

    Photoelectric emission is observed from a metallic surface for frequencies nu subscript 1 end subscript and nu subscript 2 end subscript of the incident light rays left parenthesis nu subscript 1 end subscript greater than nu subscript 2 end subscript right parenthesis. If the maximum values of kinetic energy of the photoelectrons emitted in the two cases are in the ratio of 1 colon k, then the threshold frequency of the metallic surface is

    Photoelectric emission is observed from a metallic surface for frequencies nu subscript 1 end subscript and nu subscript 2 end subscript of the incident light rays left parenthesis nu subscript 1 end subscript greater than nu subscript 2 end subscript right parenthesis. If the maximum values of kinetic energy of the photoelectrons emitted in the two cases are in the ratio of 1 colon k, then the threshold frequency of the metallic surface is

    Physics-General
    General
    Physics-

    A particle of mass M at rest decays into two particles of masses m1 and m2, having non-zero velocities. The ratio of the de-Broglie wavelengths of the particles, lambda subscript 1 end subscript divided by lambda subscript 2 end subscript is

    A particle of mass M at rest decays into two particles of masses m1 and m2, having non-zero velocities. The ratio of the de-Broglie wavelengths of the particles, lambda subscript 1 end subscript divided by lambda subscript 2 end subscript is

    Physics-General
    General
    Physics-

    In an experiment of photo-electric effect, singly ionized ‘He’ is excited electronically to different energy levels. The emission spectra of the He hence produced is made incident on a photoelectric plate in the photo-cell. When He is excited to fourth energy level then the observed stopping potential of photo –cell is found to be five times the stopping potential when hydrogen is excited to third energy level. The work function of the material of the photo electric plate is

    In an experiment of photo-electric effect, singly ionized ‘He’ is excited electronically to different energy levels. The emission spectra of the He hence produced is made incident on a photoelectric plate in the photo-cell. When He is excited to fourth energy level then the observed stopping potential of photo –cell is found to be five times the stopping potential when hydrogen is excited to third energy level. The work function of the material of the photo electric plate is

    Physics-General
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.