Question

Pinhole in a pinhole camera

Answer 1

Answer:

a simple camera without a lens but with a tiny aperture

Answer 2

⠀⠀⠀⠀⠀⠀⠀⠀

$\mathtt{\huge{\underline{\orange{Pinhole \: Camera} \orange{: - }}}}$

⠀⠀⠀⠀⠀⠀⠀⠀

• The simple device which forms a photograph-like image of a bright object on a screen is called pinhole camera.

⠀⠀⠀⠀

• Pinhole camera is based on the principle that light travels in a straight line.

⠀⠀⠀⠀

• The object like paper, wall, or ground on which a shadow is formed is called a screen.

⠀⠀⠀⠀

• Images formed by a pinhole camera are upside down (inverted images).

⠀⠀⠀⠀

• The inner surfaces of the pinhole camera are blackened because a black surface can absorb light rays. Thus, any extra light gets absorbed as it enters the camera.