A shadow is formed when light is blocked by an opaque object. The shadow appears on the surface opposite the direction of the light source.
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A shadow is formed when light is blocked by an opaque object, preventing the light from passing through the object. Shadows are created when an object comes between a source of light and a surface, causing the light to be obstructed and cast a dark silhouette of the object.
When you place an opaque object in front of light, the object blocks the light from passing through it entirely. This creates a shadow on the side of the object facing away from the light source, as no light can penetrate through the object. The area behind the object will be in darkness since the light is blocked by the opaque object.
When light hits an opaque object, a shadow is created on the opposite side of the object where the light is blocked. The shadow is a dark area where light cannot pass through due to the solid nature of the opaque object.
If the object is opaque to the frequency of light impinging on it, some of the light will be reflected and the rest will be converted to heat in the opaque object.
Light forms a shadow on an opaque object because it travels in straight lines. When light is blocked by an opaque object, it cannot reach the surface behind the object, creating a shadow. This property is known as the rectilinear propagation of light.