Question

1.List the conditions necessary for a shadow to form. List three characteristics of
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.

Three characteristics of a shadow are:

• It is always either large or same size as that of the object.
• It always black in colour.
• Its position changes depending upon the position of source of light.
• it needs a screen for being formed.

Explanation:

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