Light of wavelength 488 nm is produced by an argon laser which is used in the photoelectric effect. When light from this spectral line is incident on the emitter, the stopping (cut-off) potential of photoelectrons is 0.38 V. Find the work function of the material from which the emitter is made.
Light of wavelength 488 nm is produced by an argon laser which is used in the photoelectric effect. When light from this spectral line is incident on the emitter, the stopping (cut-off) potential of photoelectrons is 0.38 V. Find the work function of the material from which the emitter is made.
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Transcribed Image Text:Light of wavelength 488 nm is produced by an argon laser which is used in the
photoelectric effect. When light from this spectral line is incident on the emitter, the
stopping (cut-off) potential of photoelectrons is 0.38 V. Find the work function of the
material from which the emitter is made.
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