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- 1. Multiple Choice
The theory, on the basis of Photoelectric effect can be explained
corpuscular theory
electromagnetic theory
wave theory
quantum theory
- 2. Multiple Choice
An electron and a proton have same kinetic energy. Which of the two has a greater wavelength?
electron
proton
both have same wavelength
- 3. Multiple Choice
electron volt is a unit of
potential
momentum
energy
charge
- 4. Multiple Choice
De Broglie equation
relates the momentum of a mass to its wavelength
relates the energy of a mass to its wavelength
relates the frequency of a mass to its wavelength
relates the work function of a mass to its wavelength
- 5. Multiple ChoiceThe de Broglie wave equation showed that the wavelength of any moving object is equal tom/hνh/mvv/mhhm/v
- 6. Multiple Choice
Which of the following is NOT the unit of energy
MeV
J
eV
V
- 7. Multiple Choice
Which of the following is TRUE about photon
Particle with a negative charge
Quantum of electromagnetic wave
Particle with a positive charge
electron produced when light is incident on a metal surface
- 8. Multiple Choice
The quantum of the energy E for radiation is
inversely proportional to its wavelength
proportional to its wavelength
inversely proportional to its frequency
proportional to its intensity
- 9. Multiple Choice
electron volt is a unit of
potential
momentum
energy
charge
- 10. Multiple ChoiceElectormagnetic radiation travels through a vacuum at a speed of186,000 m/s.125 m/s3.00 x 108 m/sIt depends on the wavelength
- 11. Multiple ChoiceThe energy of a photon that has a wavelength of 12.3 nm is?1.51 x 10-17 J4.42 x 10-23 J1.99 x 10-25 J1.62 x 10-17 J
- 12. Multiple ChoiceWhat is the wavelength of light (in nm) that has a frequency of 3.22 x 1014 s-1?9326499.66 x 10220.00154
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