A metal surface is illuminated by light of two different wavelengths 248 nm and 310 nm....
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A metal surface is illuminated by light of two different wavelengths 248 nm and 310 nm. The maximum speeds of the photoelectrons corresponding to these wavelengths are u and u, respectively. If the ratio u u = 2:1 and hc = 1240 eV nm, the work function of the metal is nearly (B) 3.2 eV (A) 3.7 eV (C) 2.8 eV (D) 2.5 eV A metal surface is illuminated by light of two different wavelengths 248 nm and 310 nm. The maximum speeds of the photoelectrons corresponding to these wavelengths are u and u, respectively. If the ratio u u = 2:1 and hc = 1240 eV nm, the work function of the metal is nearly (B) 3.2 eV (A) 3.7 eV (C) 2.8 eV (D) 2.5 eV
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Physics
ISBN: 978-0077339685
2nd edition
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
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