The intensity of radiation emitted by the Sun has its maximum value at a wavelength of $510\,\, nm$ and that emitted by the North Star has the maximum value at $350\,\, nm$. If these stars behave like black bodies then the ratio of the surface temperature of the Sun and the North Star is

  • A

    $1.46$

  • B

    $0.69$

  • C

    $1.21$

  • D

    $0.83$

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