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10th Class Science Human Eye and Colourful World Question Bank The Human Eye and the Colourful World

  • question_answer
    Which of the following produces yellow light?
    (i) Sodium lamp
    (ii) Sunlight
    (iii) LPG gas

    A) Only (i)                               

    B) Only (i) and (ii)

    C) Only (i) and (iii)

    D) Only (ii) and (iii)

    Correct Answer: B

    Solution :

    If light from two different sources has the same colour, it also has the same wavelength even if the origins are different. Sodium lamp is an artificial source of light while sunlight is a natural source of light.


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