The work function of caesium is 2.14 eV. Find the threshold frequency for caesium. (Hint : Planck's constant h = 6.63 x 10-34 Js)
Answer & explanation
Correct answer: option 3
Use : φ0 = hv0
The work function of caesium is 2.14 eV. Find the threshold frequency for caesium. (Hint : Planck's constant h = 6.63 x 10-34 Js)
Correct answer: option 3
Use : φ0 = hv0