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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