Multiple Choice
A metal having a work function of 2.4 eV is illuminated with monochromatic light whose photon energy is 4.0 eV. What is the maximum kinetic energy of the photoelectrons produced by this light? (h = 6.626 × 10-34 J ∙ s, 1 eV = 1.60 × 10-19 J)
A) 2.6 × 10-19 J
B) 3.8 × 10-19 J
C) 4.7 × 10-19 J
D) 5.5 × 10-19 J
E) 6.4 × 10-19 J
Correct Answer:
Verified
Correct Answer:
Verified
Q3: When a metal surface is illuminated with
Q10: A metal surface has a work function
Q15: A laser emits light of wavelength 463
Q25: A hydrogen atom makes a downward transition
Q25: When a certain metal is illuminated by
Q28: What is the orbital radius of the
Q30: You want to have an electron in
Q31: The Bohr radius of the hydrogen atom
Q31: An electron is in an infinite square
Q37: How fast must a nonrelativistic electron move