Physics, asked by Dushyant9808, 11 months ago

Light of wavelength 2000 Å falls on a metal surface of work function 4.2eV. What is the kinetic energy (in eV) of

Answers

Answered by hardikvaibhav1

0

Answer:

12400/2000 =6.2 eV is energy of incident radiation

Explanation:

so answer will be 6.2-4.2= 2 eV

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