All Textbook Topics - Light - Pin-hole cameras - When you make the pinhole camera longer, the image gets larger

When you make the pinhole camera longer, the image gets larger

When the pin-hole camera is made longer for a given distance from the object, the light rays can spread out more, so the image gets larger.

Here is a diagram of this:

Here is what the real image on the camera looks like:

Longer and shorter camera comparison:

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The pinhole causes the image to be upside down on the screen as light travels in straight lines and the light coming from the top ends up at the bottom (and vice-versa)
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When you make the pinhole camera shorter, the image gets smaller

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