The work function for the surface of aluminium is 4.2 eV. How much potential difference will be required to stop the emission of maximum energy electrons emitted by light of 2000 A wavelength. What will be the wavelength of that incident light for which stopping potential will be zero.

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A: GivenMomentum of photon, p=8.5×10-21 kg m/s

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A: Use Wein displacement law

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A: using formula of energy E = ne

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Q: 1. A cube of iron (atomic number 26), whose side measures 1 ft (30.48cm), is floating in a dark…

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Q: A photoelectron is emitted from a barium surface illuminated by light of 6.5 x 10^14 Hz. To. What is…

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Q: The work function for calcium is 2.9 ev. If we shine on the surface made of calcium with a light of…

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