Dual Nature of Radiation and Matter
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Preview questions
1. What is the dual nature of radiation?
Waves and particles · Light and sound · Electric and magnetic · Static and dynamic
2. Which experiment demonstrated the wave-particle duality of light?
Photoelectric effect · Young's double-slit experiment · Rutherford's gold foil experiment · Millikan's oil drop experiment
3. What is the threshold frequency in the photoelectric effect?
The frequency below which no photoelectrons are emitted · The frequency above which all electrons are emitted · The maximum frequency of emitted electrons · The average frequency of emitted electrons
4. What is the work function of a material?
Energy required to remove an electron · Energy of a photon · Energy of an electron · Energy of a photon in a vacuum
5. In the photoelectric effect, increasing the intensity of light increases which of the following?
Kinetic energy of emitted electrons · Number of emitted electrons · Wavelength of light · Frequency of light
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