WBCS.LIVE practice question

Focusing in a camera is carried out by varying

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. The amount of light
  2. The distance of the lens from film
  3. The distance of the lens from the object
  4. The speed of the shutter

Correct answer and explanation

Correct answer: The distance of the lens from film