If a source of electromagnetic radiation having power $15 kW$ produces $10^{16}$ photons per second, the radiation belongs to a part of spectrum is.(Take Planck constant $h =6 \times 10^{-34}\,Js$ )

  • [JEE MAIN 2023]
  • A

    Micro waves

  • B

    Ultraviolet rays

  • C

    Gamma rays

  • D

    Radio waves

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