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Discussion :: Electric Illumination

  1. Which photometer is used for comparing the lights of different colors ?
  2. A.
    Bunson photometer
    B.
    Grease spot photometer
    C.
    Lummer Brodhum photometer
    D.
    Guilds Flicker Photometer

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    Answer : Option D

    Explanation :

    Guilds Flicker Photometer


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