Basic Science : Photoelectric Effect QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
1.The cut-off potential is a function of |
| the frequency of incident light |
| the intensity of incident light |
| the angle of incidence of incident light |
| the nature of photosensitive substance used |
2.Photo electric emission confirms |
| dual nature of radiation |
| corpuscular nature of radiation |
| wave nature of radiation |
| electromagnetic nature of radiation |
3.Which of the following statement is incorrect |
| Photoelectric emission does not occur below the threshold frequency |
| The photoelectric current increases with the frequency of incident light |
| Threshold frequency does not depend on the metal used |
| The emission of photoelectrons is an instantaneous process |
4.The phenomenon of photoelectric effect is |
| adiabatic process |
| instantaneous process |
| isothermal process |
| spontaneous process |
5.The frequency of photon having an energy of 26.52 e V is |
| 64 1015 Hz |
| 6.4 1016 Hz |
| 6.4 1015 Hz |
| 64 1016 Hz |
More Photoelectric Effect QUESTIONS AND ANSWERS available in next pages
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