Question

2.Explain the working of a pinhole camera [with diagram].

Answer 1

Answer:

Home trade refers to the trade within the borders of the country. Foreign Trade refers to the trade between two or more countries. There is no exchange of currencies takes place in the Home trade because there is a same currency in the country. ... Foreign Trade leads to the economic interdependence between the countries.

Answer 2

Answer:

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A pinhole camera is a simple camera without a lens but with a tiny aperture (the so-called pinhole) – effectively a light-proof box with a small hole in one side. Light from a scene passes through the aperture and projects an inverted image on the opposite side of the box, which is known as the camera obscura effect.