Illumination MCQ

Below Illumination quiz are Multiple Choice Questions (MCQs) type Quiz. These Illumination MCQ Questions helps you to refresh your Illumination, you can see the correct option by clicking on it. .
  • 1. The polar curves are used to find out the

    • MHCP
    • MSCP
    • Both (a) and (b)
    • None of these
  • 2. With increase in temperature of the body, the emission of light waves is

    • Increases
    • Decreases
    • Remains same
    • None of these
  • 3. Filament lamps normally operate at a power factor of

    • Unity
    • 0.8 lagging
    • 0.5 lagging
    • 0.9 lagging