Solution-Find the maximum velocity of an ejected electron

Find the maximum velocity of an ejected electron

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Reference no: EM13963413

In a photoelectric experiment on the metal copper, the following values of the stopping potential V0 were obtained at different wavelengths (lambda) of the incident ultraviolet light.

λ(nm)	200	210	220	230	240
Vo(Volts)	1.27	0.98	0.71	0.46	0.24

a. Use a graphical method to determine a value for the work function of copper.

b. Find the maximum velocity of an ejected electron if the copper surface is illuminated by radiation with a wavelength of 122nm, the longest wavelength line of the Lyman series (transitions to n=1) of hydrogen.

Reference no: EM13963413

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Find the maximum velocity of an ejected electron

Reference no: EM13963413

Reference no: EM13963413

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