Two sources of light emit with a power of $200 \mathrm{~W}$. The ratio of number of photons of visible light emitted by each source having wavelengths $300\  \mathrm{nm}$ and $500 \mathrm{~nm}$ respectively, will be :

  • [JEE MAIN 2024]
  • A

     $1: 5$

  • B

    $1: 3$

  • C

     $5: 3$

  • D

     $3: 5$

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