an objects in open space cast no shadow but objects at far distance is clearly visible

The object in an open space cast transparent shadow

is an electric light with a wire filament heated to such a high temperature that it glows with visible light

A disposable bulb filled with oxygen and a mass of fine magnesium alloy wire

It came from in different sources such as candles, tungsten filaments and gas discharge lamps etc. and has difference mix of frequency components which produce a diff. color of light.

Category of Artificial Lights

Developed in mid 1980 as far more inexpensive alternative to forensic LASER

this type of lamp needs a reflector to focused the light on the subjects. it is also known as spot lihjy

is a producrio of artificial light from combustion of a gaseous fuel such as hydrogen methane, carbon monoxide propane, butance etc. The light is produced either directly by the flame, generallu by using special mixes of illuminating gas to increase brightness

Are those that can give illumination continuously

goves a brief flash light produced by a burning metallic wire or an eectrical charge through a gas filled tube.

Types of Forensic Light Sources

is a lamp that produces light by an electric arc also called voltaic arc. used as a source of high intensity ultraviolet light

it is a made up of a powerful lamp containing the ultraviolet, visible and infrared components of light. filters down the light into individual color brands...

Those are coming from nature like sun, moon, stars, and other heavenly bodies, lightning, fire etc

Classification of Daylight According to its intensity

used in forensic work come in variety of shape, sizes, and power some units are portable battery operated and easily carried and can meet the rugged and nigrious demand for field work

are tube lamps wherein the walls are coated by materials capable of flourescence. this type of lamps is commonly used by anybody and not merely in photography

developed years earlier it was in 1970's that it was discovered by illuminating certain item. significant in locating dried biological stains such as semen, urine, and saliva as well as stains that had been washed

The objects in open space cast no shadow

is a term applied to a wide variety of relatively light sources which use filtered white light. allows a fairly narrow band of light to pass through

Types of Dull Sunlight

an objects in open space cast no shadow and visibility of distance objects are already limited

A lighting condition where objects in open space cast deep and uniform or distinct shadow

made of glass quartz tube filled with an inert gass a halogen at extremely low pressure