AP and TS EAMCET Engineering Model Paper 15
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Question : 140 of 160
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The threshold frequency ( ϑ 0 ) for a metal is 9.0 × 10 15 s − 1 . The Kinetic Energy of an electron emitted when radiation of frequency ( ϑ ) = 1.0 × 10 16 s − 1 hits the metal
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