In the photoelectric experiment, green light, with a wavelength of 522 nm, is the longest wavelength radiation that can cause the photoemission of electrons from a clean sodium surface. a) What is the work function of sodium, in electron volts. b) If UV radiation of wavelength 250 nm is incident to the sodium surface, what will be the kinetic energy of the photoemitted electrons, in electron volts.
In the photoelectric experiment, green light, with a wavelength of 522 nm, is the longest wavelength radiation that can cause the photoemission of electrons from a clean sodium surface. a) What is the work function of sodium, in electron volts. b) If UV radiation of wavelength 250 nm is incident to the sodium surface, what will be the kinetic energy of the photoemitted electrons, in electron volts.
Related questions
Question
In the photoelectric experiment, green light, with a wavelength of 522 nm, is the
longest wavelength radiation that can cause the photoemission of electrons from a clean sodium
surface.
a) What is the work function of sodium, in electron volts.
b) If UV radiation of wavelength 250 nm is incident to the sodium surface, what will be the kinetic
energy of the photoemitted electrons, in electron volts.
(according the given value on the picture)
Transcribed Image Text:h=6.626 1034 Js
e=1.6 1019 C
c=3 10° ms1
NA=6.022 1023 atomsmol
N(Si)=5 1022 atomscm3
n(Si)=1 1010 cm
He(Si)=1350 cm?v's
Ha(Si)=450 cm?v
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images
