Multiple Choice
A metal has a work function of 4.50 eV.Find the maximum kinetic energy of the photoelectrons if light of wavelength 250 nm shines on the metal.(1 eV = 1.60 × 10-19 J,c = 3.00 × 108 m/s,h = 6.626 × 10-34 J ∙ s)
A) 0.00 eV
B) 0.37 eV
C) 0.47 eV
D) 0.53 eV
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q17: Each photon in a beam of light
Q18: If the work function of a metal
Q19: A photocathode having a work function of
Q20: After an electron has been accelerated through
Q21: When it is struck by 240-nm photons,a
Q23: A beam of light with a frequency
Q24: When a metal is illuminated by light,photoelectrons
Q25: As the temperature of a blackbody increases,what
Q26: A photocathode having a work function of
Q27: Two sources emit beams of microwaves.The microwaves