Question

state the conditions required to from a shadow​

Answer 1

Answer:

The following three things are required for a shadow to form: a source of light,An opaque object, a screen.

Explanation:

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Answer 2

Answer:

A shadow is a dark (real image) 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.

The following three things are required for a shadow to form: a source of light. an opaque object. A screen or surface behind the object

Characteristics of a shadow : .

1. The shadow increases and decreases in the ratio same as the shape of the object.

2.It depends on source of light whether it is plane parallel rays or spherical.

3. It depends on position of the object whether the object is at infinite or finite distance.

Explanation:

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