Question

What are the required apparatus for making pin-hole camera ? On what

principle does it work​

Answer 1

For making pin-hole camera, you will need a box, photo paper, thin piece of metal like a can or brass shim, tape, xacto knife, needle, and sand paper.

Pinhole cameras rely on light traveling in straight lines – a principle called the rectilinear light theory. That makes the camera's picture appear upside-down.

Answer 2

Explanation:

You will need a box, photo paper, thin piece of metal like a can or brass shim, tape, xacto knife, needle, and sand paper.