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The work function for caesium atom is 1.9 eV. Calculate (a) the threshold wavelength and (b) the threshold frequency of the radiation. If the caesium element is irradiated with a wavelength 500 nm, calculate the kinetic energy and the velocity of the ejected photoelectron

The work function for caesium atom is 1.9 eV. Calculate (a) the threshold wavelength and (b) the threshold frequency of the radiation. If the caesium element is irradiated with a wavelength 500 nm, calculate the kinetic energy and the velocity of the ejected photoelectron

Grade:12

2 Answers

Gaurav
askIITians Faculty 164 Points
9 years ago
255-984_images.jpg
Kushagra Madhukar
askIITians Faculty 628 Points
4 years ago
Dear student,
Please find the attached solution to your problem below.
 
255-984_images.jpg
 
Hope it helps.
Thanks and regards,
Kushagra

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