The threshold frequency for a certain metal is 3.3 × 1014 Hz. If light of frequency 8.2 x 1014 Hz is incident on the metal, predict the cut off voltage for the photoelectric emission.
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The threshold frequency for a certain metal is 3.3 × 1014 Hz. If light of frequency 8.2 x 1014 Hz is incident on the metal, predict the cut off voltage for the photoelectric emission.
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Solution:
According to Einstein’s relation
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NCERT Solutions for 12th Class Physics: Chapter 11-Dual Nature of Radiation and Matter