10) Write the three characteristics of a shadow.
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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.
Feb 15, 2017
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it depends on the shape of the object
it depends on the source of light weather it is plane parallel rays or spherical
it depends on the position of the source of light
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