Question 32
Light and ReflectionWhat is the effect of the increase in the size of the hole of a pin-hole camera on the image? It
- A.gives a blurred image
- B.corrects for chromatic aberration
- C.magnifies the image
- D.brings the image into a sharper focus.
Show the answer and explanation
Answer: A (gives a blurred image)
Explanation
A bigger hole lets light from each point of the object form a patch rather than a point, so the overlapping patches blur the image (though it is brighter).