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Question 11: NCERT Solutions for 12th Class Physics: Chapter 11-Dual Nature of Radiation and Matter
Light of wavelength 488 nm is produced by an argon laser which is used in the photoelectric r effect. When light from this spectral line is incident on the emitter, the stopping (cut-off) potential of photo electrons is 0.38 V. Find the work function of the material from which the r emitter is made,
Solution:
Energy of incident radiation
NCERT Solutions for 12th Class Physics: Chapter 11-Dual Nature of Radiation and Matter