Consider a metal with stopping potentials of 9 V and 4 V when illuminated by two sources of frequencies 17 x 1014 Hz and 8 x 1014 Hz, respectively. (a) Use these data to find a numerical value for the Planck constant. (b) Find the work function and the cutoff frequency of the metal. (c) Find the maximum kinetic energy of the ejected electrons when the metal is illuminated with a radiation of frequency 12 x 1014 Hz.

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Consider a metal with stopping potentials of 9 V and 4 V when illuminated by two sources of
frequencies 17 x 1014 Hz and 8 x 1014 Hz, respectively.
(a) Use these data to find a numerical value for the Planck constant.
(b) Find the work function and the cutoff frequency of the metal.
(c) Find the maximum kinetic energy of the ejected electrons when the metal is illuminated
with a radiation of frequency 12 x 1014 Hz.
Transcribed Image Text:Consider a metal with stopping potentials of 9 V and 4 V when illuminated by two sources of frequencies 17 x 1014 Hz and 8 x 1014 Hz, respectively. (a) Use these data to find a numerical value for the Planck constant. (b) Find the work function and the cutoff frequency of the metal. (c) Find the maximum kinetic energy of the ejected electrons when the metal is illuminated with a radiation of frequency 12 x 1014 Hz.
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