Question

science Write the part and proprties of shadow​

Answer 1

Answer:

A shadow is a dark area where light from a light source is blocked by an opaque object. It occupies all of the three-dimensional volume behind an object with light in front of it. The cross section of a shadow is a two-dimensional silhouette, or a reverse projection of the object blocking the light..

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Answer 2

Properties:They are always dark in colour regardless to the colur of the object or colour of the light used.

They are formed opposite to the source of light.

They are formed when an opaque object comes between the source of light and the screen

Explanation:

Parts of shadow:The umbra, penumbra and antumbra are three distinct parts of a shadow, created by any light source after impinging on an opaque object. Assuming no diffraction, for a collimated beam (such as a point source) of light, only the umbra is cast.