Photoelectric Effect - Questions & Answers | Exam2Win

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11. The photoelectric current depends upon

A. the frequency of incident photon only

B. the intensity and the frequency of incident radiation

C. the intensity of incident radiation only

D. the temperature of cathode

Explanation:

12. Photoelectric cells are used to convert

A. light energy into sound energy

B. electrical energy into light energy

C. light energy into electrical energy

D. light energy into heat energy

Explanation:

13. The frequency of a photon having an energy of 85 e V is

A. 2.0512  1016 Hz

B. 20.512  1016 Hz

C. 205.12  1016 Hz

D. 2.0512  1019 Hz

Explanation:

14. The maximum kinetic energy of photoelectrons emitted by a photosensitive surface depends on

A. the polarization of radiation

B. the frequency of incident radiation

C. the intensity of radiation

D. the stopping potential

Explanation:

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