Question

on what principle is a pinhole camera based upon

Answer 1

Answer:

Being a simple camera without any lens, this device with a tiny aperture, a pinhole and a lightproof box with a small hole on one side of it.

Light passes through this pinhole and projects the inverted image on the opposite side.

This works on a principle called the Rectilinear theory of light.

Answer 2

Answer:

a pinhole camera is a camera without the lens it consists of light proof Box with the tiny hole on one of its side as the light falls on the pinhole IT forms and inverted image of the object on the opposite side of the box it is based on the principle of rectilinear propagation of light in nature the small circular patches of Sunlight under trees covered with a large number of leaves are examples of the whole image of the Sun The regular gaps between the leaves act as pinholes