everyday science MCQ #6168

What is the unit of luminous efficiency of an electric bulb?

everyday science MCQ #6168

  1. Question 1

    Q1. What is the unit of luminous efficiency of an electric bulb?

    • A) Watt
    • B) Lux
    • C) Lumen/watt
    • D) None of these

    Answer: Lumen/watt

    Explanation: Lumen/watt is the scientifically accurate choice. The concept tested here is core everyday science for MDCAT, ECAT, and general ability papers.