everyday science MCQ #639

In an oil lamp, the oil rises up the wick due to ______.

everyday science MCQ #639

  1. Question 1

    Q1. In an oil lamp, the oil rises up the wick due to ______.

    • A) atmospheric pressure
    • B) capillary action
    • C) a change in temperature
    • D) the viscosity of oil

    Answer: capillary action

    Explanation: Capillary action is the ability of a liquid to flow in narrow spaces against gravity due to surface tension and adhesion; in an oil lamp wick, it draws oil upward to the flame.