Physica photoelectriceffect viva questions

Physica photoelectriceffect viva questions

01. What is Photoelectric effect?

02. What is Work function?

03. Define Threshold frequency and Threshold wavelength.

04. What is stopping potential?

05. Can the work function depend on wavelength of the incident light?

06. 1 Joule = ______________ eV

07. In explaining the photoelectric effect which nature of light is considered. (particle or wave)

08. Which type of materials are used in Photoelectric effect? What are they?

09. Why alkali metals are used in photoelectric effect?


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