everyday science MCQ #50029

A convex lens is also known as a converging lens. It is used in:

everyday science MCQ #50029

  1. Question 1

    Q1. A convex lens is also known as a converging lens. It is used in:

    • A) Cameras, microscopes and magnifying glasses
    • B) Spectacles for short-sightedness
    • C) Periscopes only
    • D) Kaleidoscopes only

    Answer: Cameras, microscopes and magnifying glasses

    Explanation: A convex (converging) lens refracts parallel rays to meet at a focal point, making it useful in cameras, microscopes, and magnifying glasses to focus or magnify images. Concave (diverging) lenses are used to correct short-sightedness (myopia) because they spread light rays outward.