Question

I have to write a introduction for a pinhole camera for a project. can someone give points and ideas

Answer 1

Pinhole camera

• Pinhole camera is a device which forms a photograph like image of a stationary bright object on a screen.
• It works on the principle of rectilinear propagation of light.

• It consists of a cubical or cylindrical empty cardboard box with a fine hole on one side and with a paper or glass on the opposite side that acts as a screen
• The box is blackened from inside so that any light which falls on its wall directly or indirectly is absorbed.
• When a stationary bright object is placed in front of a pinhole camera, an inverted impression can be seen on the screen.

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