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The photoelectric effect proves that
(a)light travels in the form of quanta
(b)light travels in the form of transverse waves
(c)velocity of light is infinite
(d)None of the above

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Important Questions on Dual Nature of Matter and Radiation
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The work function of a metal is Light of wavelength is incident on this metal. Maximum velocity of photoelectrons is

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Light of wavelength is incident on a metal plate whose work function is What is maximum kinetic energy of emitted photoelectron?

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In a photoelectric experiment, it is found that stopping potential for a given metal is to be volt in presence of wavelength . When radiation of wavelength is used with the same metal then what will be the stopping potential (in Volt )?

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A graph is plotted between maximum kinetic energy of electrons with frequency of incident photon in photoelectric effect. The slope of the curve will be,
