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Question 13 (15 marks) (a) Light of wavelength 500 nm falls on a metal having photoelectric work function 2 eV. Find the
Posted: Fri Jun 10, 2022 11:26 am
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- Question 13 15 Marks A Light Of Wavelength 500 Nm Falls On A Metal Having Photoelectric Work Function 2 Ev Find The 1 (48.22 KiB) Viewed 373 times
Question 13 (15 marks) (a) Light of wavelength 500 nm falls on a metal having photoelectric work function 2 eV. Find the energy of a photon. (i) (3 marks) (ii) Find the kinetic energy of the most energetic photoelectron. (3 marks) (i) Find the stopping potential. (3 marks) An electron falls from rest through a potential difference of 200 V. (i) What is its velocity? (3 marks) (ii) What is its de Broglie wavelength? (3 marks) (b)