Multiple Choice
Photoelectric effect: In a photoelectric effect experiment, electrons emerge from a copper surface with a maximum kinetic energy of 1.10 eV when light shines on the surface. The work function of copper is 4.65 eV. Which one of the following values is closest to the wavelength of the light? (h = 6.626 × 10-34 J ∙ s, c = 3.00 × 108 m/s, 1 eV = 1.60 × 10-19 J)
A) 220 nm
B) 150 nm
C) 360 nm
D) 1100 nm
Correct Answer:
Verified
Correct Answer:
Verified
Q28: Uncertainty principle using ΔxΔp ≥ ħ: A
Q29: Bohr atom: The energy of the ground
Q30: Photon energy: An 84-kW AM radio station
Q31: Compton scattering: In a particular case of
Q32: Uncertainty principle: If the accuracy in measuring
Q34: Uncertainty principle using ΔpΔx ≥ ħ/2: A
Q35: Uncertainty principle using ΔpΔx ≥ ħ/2: A
Q36: Uncertainty principle using ΔxΔp ≥ ħ:An electron
Q37: Uncertainty principle using ΔEΔt ≥ ħ: An
Q38: Photoelectric effect: A metal having a work