Basic Science : Photoelectric Effect QUESTIONS AND ANSWERS :: part1 : 6 to 10
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
6.The photoelectric current depends upon |
| the frequency of incident photon only |
| the intensity and the frequency of incident radiation |
| the intensity of incident radiation only |
| the temperature of cathode |
7.Photoelectric cells are used to convert |
| light energy into sound energy |
| electrical energy into light energy |
| light energy into electrical energy |
| light energy into heat energy |
8.The frequency of a photon having an energy of 85 e V is |
| 2.0512 1016 Hz |
| 20.512 1016 Hz |
| 205.12 1016 Hz |
| 2.0512 1019 Hz |
9.The maximum kinetic energy of photoelectrons emitted by a photosensitive surface depends on |
| the polarization of radiation |
| the frequency of incident radiation |
| the intensity of radiation |
| the stopping potential |
10.A proton and an alpha particle have equal momentum. If λ is the de Broglie wavelength of the proton, then the de Broglie wavelength of the alpha particle is |
| λ |
| λ/4 |
| 4λ |
| λ/2 |
More Photoelectric Effect QUESTIONS AND ANSWERS available in next pages
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