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                                    The threshold frequency ν0 for a metal is 7.0×1014 s−1. Calculate the kinetic energy of an electron emitted when a radiation of frequency ν=1.0×1015 s−1 hits the metal. | 
                            
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Answer»  The threshold frequency ν0 for a metal is 7.0×1014 s−1. Calculate the kinetic energy of an electron emitted when a radiation of frequency ν=1.0×1015 s−1 hits the metal.  | 
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