Multiple Choice Questions on Consider the following parts of spectra 1 Visible 2 Infrared 3 Ultravi........... for General Studies (Level 1) Preparation

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Multiple Choice Questions

Consider the following parts of spectra 1 Visible 2 Infrared 3 Ultravi...........

General Science (Easy) Physics
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    Consider the following parts of spectra 

    1. Visible      2. Infrared

    3. Ultraviolet 4. Microwave

    Which one of the following is the correct sequence in which their wavelengths increase ?

    4 – 3 – 1 – 2

    Incorrect Answer

    4 – 1 – 2 – 3

    Incorrect Answer

    3 – 2 – 1 – 4

    Incorrect Answer

    3 – 1 – 2 – 4

    Correct Answer
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    Explanation:
    • The UltraViolet range extends from 100–400 nm
    • The visible spectrum ranges from 400–700 nm.
    • The infrared wavelength is 700nm
    • Microwaves have wavelengths approximately in the range of 30 cm to 1 mm.

    Hence option 4 is the correct answer.

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