A pinhole camera is used to photograph a 23-cm tall object at a distance of 3.0 m,the image being projected on film at a distance of 46 cm from the pinhole.What are the height and orientation of the image?
A) 3.5 cm,upright
B) 3.5 cm,inverted
C) 12 cm,upright
D) 12 cm,inverted

Question

Quizplus · Accepted Answer

The image height can be calculated using the magnification formula: (image height/object height) = (image distance/object distance). Substituting the given values, the image height is (46 cm / 300 cm) * 23 cm = 3.5 cm. The image is inverted in a pinhole camera.

A Pinhole Camera Is Used to Photograph a 23-Cm Tall