what is Shadow? What conditions are essential for the formation of shadow?
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Q. what is shadow ?
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.
Q. what condition are essential for the formation of shadow?
Ans: (1) The object should be opaque where light cannot pass through. (2) Source of light and a screen is needed for the formation of shadow. The opaque object should be placed in between the source of light and screen.
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.
Q. what condition are essential for the formation of shadow?
Ans: (1) The object should be opaque where light cannot pass through. (2) Source of light and a screen is needed for the formation of shadow. The opaque object should be placed in between the source of light and screen.
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a dark area or shape produced by a body coming between rays of light and a surface.
The conditions is only any obstacle and light
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