A light of wavelength 4000 A is allowed to fall on a metal surface having work function 2 eV. The maximum velocity of the emitted electrons is (use h = 6.6 x 10^34 j s)

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A light of wavelength 4000 A is allowed to fall on a metal surface having work function 2 eV. The maximum velocity of the emitted electrons is (use h = 6.6 x 10^34 j s)
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A light of wavelength 4000 A is allowed to fall on a metal surface having work function 2 eV. The maximum velocity of the emitted electrons is (use h = 6.6 x 10^34 j s) A light of wavelength 4000 A is allowed to fall on a metal surface having work function 2 eV. The [...]
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