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A Metal Having a Work Function of 2

Question 2

Multiple Choice

A metal having a work function of 2.8 eV is illuminated with monochromatic light whose photon energy is 3.9 eV.What is the threshold frequency for photoelectron production? A metal having a work function of 2.8 eV is illuminated with monochromatic light whose photon energy is 3.9 eV.What is the threshold frequency for photoelectron production? ,1 eV = 1.60 × 10<sup>-19</sup> J) A) 6.8 × 10<sup>14</sup> Hz B) 2.7 × 10<sup>14</sup> Hz C) 7.6 × 10<sup>14</sup> Hz D) 8.5 × 10<sup>14</sup> Hz E) 9.4 × 10<sup>14</sup> Hz ,1 eV = 1.60 × 10-19 J)


A) 6.8 × 1014 Hz
B) 2.7 × 1014 Hz
C) 7.6 × 1014 Hz
D) 8.5 × 1014 Hz
E) 9.4 × 1014 Hz

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