The projection formed by the light of flashlight, street lamp and desk lamp is called _ _ _ _ _ _

The projection formed by the light of flashlight, street lamp and desk lamp is called light and shadow.

Light and shadow refers to the shadow or spot produced by light shining on an object. When a flashlight, street lamp or desk lamp shines, the light will shine on the surrounding objects, forming various light and shadow effects.

First of all, the projection formed by the light of the flashlight is a local and concentrated light and shadow effect. When we shine a flashlight on an object, the light will form a bright spot on the object, surrounded by a dim shadow. This light and shadow effect can help us find the target object in the dark and provide the function of lighting.

Secondly, the projection formed by the light of the street lamp is a broad and uniform light and shadow effect. Street lamps usually emit strong light to illuminate the surrounding environment. The light will form a bright spot on the road surface, while the surrounding buildings and trees will cast a clear shadow. This light and shadow effect can provide lighting for driving at night, so that pedestrians and vehicles can clearly see the road and the surrounding environment.

Finally, the projection formed by the light of the desk lamp is a soft and warm light and shadow effect. Desk lamps usually emit soft light to illuminate a desktop or a part of a room. The light will form a bright spot on the desktop, while the surrounding walls and furniture will cast a soft shadow. This light and shadow effect can provide a comfortable reading or working environment, giving people a feeling of warmth and relaxation.

Generally speaking, the projection formed by the light of flashlight, street lamp and desk lamp is light and shadow. Different light sources and light characteristics will produce different lighting effects and bring different visual experiences to people. Light and shadow can not only provide lighting function, but also create beautiful landscape and atmosphere and enrich people's lives.