Menu
Home / General Knowledge / Physics :: Discussion

Discussion :: Physics

  1. In a filament type light bulb most of the electric power consumed appears as

    2. A.

     Visible light
    B.

     Infra-red rays
    C.

     Ultra-violet rays
    D.

     Fluorescent light

    View Answer

    Workspace

    View Answer

    Answer : Option B

    Explanation :

    In a filament type light bulb most of the electric power consumed appears as Infra-red rays. When electricity flows through the fiber, it heats up. Depending on the filament temperature, the radiation is emitted from the filament.

Write your comments here:

Be The First To Comment