I clear II sharp III poor IV dark
Which of the above happens when the hole of a pinhole camera is diminished?
- I only
-
II only
- I and II only
- III and IV only
The correct answer is: B
Explanation
When the hole of a pinhole camera is diminished, the image becomes II sharp. A smaller aperture reduces the amount of light entering, leading to a sharper image, but it also requires more light for proper exposure.
There is an explanation video available .