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23 Nov 2019
36. What is the maximum velocity of a photoelectron emitted from asurface with work function 5.00 eV when illuminated by 200 nmultraviolet light? (melectron = 9.11 à 10-31 kg, h = 6.63 à 10-34J·s, 1 eV = 1.60 à 10-19 J, and 1 nm = 10-9 m)
a. 800 000 m/s b. 653 000 m/s c. 431 000 m/s d. 212 000 m/s
36. What is the maximum velocity of a photoelectron emitted from asurface with work function 5.00 eV when illuminated by 200 nmultraviolet light? (melectron = 9.11 à 10-31 kg, h = 6.63 à 10-34J·s, 1 eV = 1.60 à 10-19 J, and 1 nm = 10-9 m)
a. 800 000 m/s b. 653 000 m/s c. 431 000 m/s d. 212 000 m/s
Bunny GreenfelderLv2
16 Oct 2019
