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The work function of a metal is 2.5 x 10–19 J. (a) Find the threshold frequency for photoelectric emission. (b) If the metal is exposed to a light beam of frequency 6.0 x 1014 Hz, what will be the stopping potential?

The work function of a metal is 2.5 x 10–19 J.
(a) Find the threshold frequency for photoelectric emission.
(b) If the metal is exposed to a light beam of frequency 6.0 x 1014 Hz, what will be the stopping
potential?

Grade:12

1 Answers

Rituraj Tiwari
askIITians Faculty 1792 Points
2 years ago
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