The electrons are emitted in the photoelectric effect from a metal surface

  • A

    Only if the frequency of the incident radiation is above a certain threshold value

  • B

    Only if the temperature of the surface is high

  • C

    At a rate that is independent of the nature of the metal

  • D

    With a maximum velocity proportional to the frequency of the incident radiation

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  • [JEE MAIN 2022]