Can fire have a shadow?
Note that fire can have a shadow not because the incoming light beam scatters off the light in the flame.
Fires can have shadows because they contain hot air and soot, and not because they contain light..
What has no shadow?
Transparent objects cannot form a shadow. They are only formed in opaque or translucent objects. If we take a glass slab, no shadow is formed because it allows light to pass through it.
Is light faster than darkness?
Darkness travels at the speed of light. More accurately, darkness does not exist by itself as a unique physical entity, but is simply the absence of light.
Can a shadow cast a shadow?
No. A shadow is cast because the direct rays of light from a source are blocked by an intervening object.
Does a sun have a shadow?
Answer has 18 votes. Technically, like any non-transparent object, the Sun would cast a shadow on another object. However, since the Sun emits light itself, it would only result in a true shadow if there were a stronger level of illumination on that object coming from a source behind the Sun.
Why our shadow is black?
In one place, the object blocks the light coming from the green bulb, leaving a blue shadow; in the other location it blocks the light from the blue bulb, leaving a green shadow. When you move the object close to the screen, the shadows overlap, leaving a very dark (black) shadow where the object blocks both lights.
Why does my shadow have a shadow?
To get two shadows from one object, you need two light sources; either two real sources of light, or effectively two sources because of some kind of reflection. … The reflection of the nightlight from a mirror could act as a second light source, creating a second shadow.
Does shadow exist in darkness?
A shadow is a darkness cast by an object blocking the light. If there were no light, then there could be no shadows, for there would be no source from which the shadow may be cast. Unless there were some light, it cannot be blocked. A shadow is nothing more than the blocking of light.
What causes shadow?
Outside, people make shadows when they block light from the sun. … Your body blocks some of the sun’s light, causing a shadow to form in front of you. The shadow takes on the shape of your body. When the sun is in front of you, the shadow forms behind you.