Foresic photography A fc

Christian Jay Santos · 53問 · 3年前

通報

問題一覧

The word “Photo” is derived from what word?

Greek Word

The science or art of obtaining images in scientific materials by the action of electro

Photography

When was the birth year of photography?

1839

What is considered as the utmost used of photography in police work?

For record purpose

What is the positive result of the process of photography.

Photograph

The study of the fundamentals of photography, its application to police work and the preparation of photographic evidence:

Police Photography

Referred to as the art or science of photog documenting a crime scene and evidence for laboratory examination and analysis for purposes of court trial.

Forensic photography

A British scientist who made the first miniature cameras, the so called “mouse trap” cameras.

Willian Henry Fox Talbot

It is considered as the "Forerunner of Modern Camera" which was first invented by the Iraqi scientist Ibn al Haytham.

Camera Obscura

The science of obtaining photographic magnification of minute objects by using a camera attached to a compound microscope. The camera lens is removed because the microscope will serve as the lens for the camera.

photomicrography

In crime scene photography, what view tends to show the extent damage on the subject?

Extreme Close

It is an electromagnetic energy that travels in a form of a wave with the speed of 186,000 miles per second.

Light

It is considered as the presence of all lights.

White Light

The combination of Blue and Green color of light which produced what secondary color of light?

Cyan

The bending of light around an object gives rise to the phenomenon called

Diffraction

Under the law of reflection, the angle of reflection depends upon the angle of the light striking the material, which is referred to as the;

angle of incidence

The changes in direction of light are conclusive whenever light process from one medium to another.

Refraction

Objects that allow sufficient visible light to pass through them that the object on the other side may be clearly seen.

Transparent

TWO successive crest or through of wave and it is expressed in either Millimicron (Nanometer) or Angstrom.

Light Wavelength

The complete range of electromagnetic radiation is called_____.

Electromagnetic Spectrum

What photographic rays have the longest wavelength?

infrared

It is a type of light in which their wavelength are either too short or too long to excite the retina of the human eye.

Invisible Light

It is used in chemical analysis and in curing and hardening of different items for industrial purposes.

medium wave UV

It is a light source in which it already comes to existence and is created by the divine providence without the intervention of humanity.

Natural Light

It is a lighting condition where object in open space cost a deep and uniform or distinct shadow.

Bright sunlight

It is an artificial light describes as containing wire filaments that connects them which sustains the electrical charge that combines them.

Incandescent Bulb

What refers to the film and photographic paper that is composed of emulsion containing silver halides and suspended in gelatin?

Sensitized Material

It is a part of the sensitized material which is designed to hold back the light and prevents halation.

Anti-halation Backing

A black and white films possess several characteristics such as speed, spectral and granularity. The speed will be referring to the sensitivity of the film to light and the spectral is the sensitivity to ________________.

Wavelength

It is a type of film according to spectral sensitivity wherein the film is sensitive to UV light up to the green light only.

Orthochromatic Film

In modern photography, DSLR cameras almost dominated the market because of its superior autofocusing on fast moving objects, such as photographing sports. DSLR means______

digital single lens reflex

The following are the essential parts of the camera EXCEPT:

Tripod

What is the main purpose of the camera as an essential element of photography?

It is designed to block the unwanted or unnecessary light from reaching the sensitized material.

What type of a camera is ideal to police photography and also eliminate the parallax error?

Single Lens Reflex

Which of the following is TRUE about the shutter speed of the camera?

The shutter speed setting of 1/250 is faster than the shutter speed of 1/500.

What shutter speed will freeze a moving object?

Fast shutter

What is the timing of the camera shutter and the flash so that when the shutter is fully opened, that’s the time that the flash will yield its highest peaks of illumination called?

Synchronization

What is the timing of the camera shutter and the flash so that when the shutter is fully opened, that’s the time that the flash will yield its highest peaks of illumination called?

Synchronization

It is the distance measured from the optical center of the lens is set to focus at infinite position. It is also known as the fundamental characteristics of a lens that will determine the size of an image and area of coverage of the lens

Focal Length

the fish–eye lens is a special type of camera having a view angle of:

180 degrees

It is the mechanism of the camera designed to control the degree of sharpness of the object to be photograph.

Focusing

Pedro was taking a snap shot and expecting it to be sharp but an alteration happened to the expected image because it can be seen in two viewpoints. What is that phenomenon?

parallax

It is an inherent lens aberration wherein the lens has an inability to focus light passing through it and producing an image that is sharp in the center and blurred at the side.

Spherical Aberration

It is a type of lens which is capable of correcting astigmatism.

Anastigmat Lens

This effect causes images to be spherized which means the edges of images look curved and bowed to the human eye.

barrel distortion

The lens opening also known as the relative aperture is the indicator for light transmitting capability of the lens. Which lens opening will admit more light to pass through its medium?

f 2.8

The distance between the nearest and the farthest object in apparent sharp focus when the lens is focused at a given point.

Depth of Field

A distance at which lens of a camera is focused with a given particular diaphragm opening which will give the maximum depth of field is

hyper focal distance

SPO2 Cardo with his team conducted a thorough stakeout of a certain building in Hotel Sogo. In order to document all the movements of their subjects, they applied the principles of photography with the aid of what particular lens mechanism?

telephoto lens

It is a stage of the chemical process in which it is being done to reduce the silver halides to form the image.

Development

It is the main fixing agent that dissolves unexposed silver halides.

Sodium Thiosulfate

It is the process of eliminating unwanted portion of the negative during the enlarging process.

Dodging

Laser light is also referred to as ______?

coherent

What lens system of the camera reflects the light passing the lens and mirror making the image possible to be viewed from the viewfinder?

pentaprism

Assuming all conditions will be the same, which film gives the finest of grains?

ASA 100

What photo paper is ideal to be used in a normal exposed film?

# 2

What photo paper according to its chemical content is best suited for police photography?

Silver Bromide paper

When one uses a Photographic filter in taking a photograph, he is actually __________light rays or color from the light to reach the film.

subtracting

If the basic exposure for a given film in bright sunlight is l/125, f11, the exposure setting at dull sunlight would be?

1/125 f5.6

The reducers or the developing agents.

Elon, Hydroquinone

A part of the sensitized which is sensitive to light.

emulsion

Refers to the taking in of light by the material. Following the law of conservation of energy, such light taken in is not lost but merely transformed into heat.

absorption

What kind of lens causes light rays to converge, or come together, and is called a positive lens. A positive lens focuses light form a distant source into visible image that appears on then opposite side of the lens to the object.

convex

must the taking of photographs from an unusual camera position in crime photography be avoided?

it distorts the perspective

The emulsion speed rating of a film that is both expressed in arithmetical and logarithmic value.

ISO rating

The abbreviation of “LASER” means?

Light Amplification by Stimulated Emission of Radiation

In 1947 Edwin H. Land introduced the one step photography also known as polaroid. What will be produce by LASER?

Holograms

Objects in open space cast no shadow and visiblity of distant objects is already limited.

Cloudy dull Sunlight

A form of over lapping thin metal leaves arranged in a circle, it can be made to expand or contrast and thus to admit into the camera greater and smaller amount of light.

Diaphragm

In taking photograph of evidence, what must be done?

Take photography without measurements, then with measurements

Otherwise known as superimposed image focusing.

Coincidence

What is the correct sequence of sensitivity of the three emulsion layers of color film?

blue- green- red

It is mounted over the opening at the front of the camera body. Its function is to produce an image on the film at the back of the camera by gathering and focusing the rays of light from the object.

Lens

The first practical photographic process.

Daguerreotype

The bigger the lens opening, _____

the more light to enter

When the prism breaks its light in its different wavelength producing the colors of the _____.

Rainbow

Digital Cameras at present has LCD which means _____.

Liquid Crystal Display

An investigator might find it necessary, prior to photographing a fingerprint, to use iodine fumes to bring out;

Latent prints

The chemical and mechanical erasures are best examined through _____

Ultraviolet

Who invented the camera in 1685?

Johann Zahn

Its actions starts from one side and closes on the opposite side with amore faster shutter speed. The statement is referring to:

focal plane shutter

The focal length determines the:

Angle of view

The light from a pinhole will form –

an inverted image

The higher the rating of the film, the

more sensitive it will be

A medium that divert or absorb light, but does not allow lights to pass though, they absorb most of the light while reflecting some of it is called

Opaque object

In robbery case. Which is the focus of close up photography?

forcible entry

Another term for Ultra-violet light.

Black light

The photograph offered in evidence can be admissible as evidence only when.

After verification as to its exactness and accuracy

It is otherwise known as Instant Photos or One Step Photography.

Polaroid

A type of camera with two objective lenses of the same focal length.

TLR

He discovered the use of Hydroquinone as a developing agent.

William Abney

An intermediate bath between the developer and the fixer. It is usually a combination of water plus acetic acid or just plain water. It function is to prevent the contamination of two chemicals.

Stop Bath

These things occur when light falls in any material, EXCEPT

light is produced

There are two types of color films, the negative and the reversal. Which of the following suffix indicates the negative one?

Color

Ultra-violet photography has many uses in crime investigation. What type of film can be used for ultra violet photography?

all of these

The photography of prisoners for identification purposes

Mug shot photography

DIN has a degree of increase of

3 degrees double the sensitivity of the film

It refers to the sensitivity of the film to wavelength or color.

Spectral Sensitivity

This refers to anyone/anything that can be photographed.

Subject

100

The process of converting the latent image into a visible and permanent image.

Chemical Process

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Set 1

Set 1

Set 2

Set 2

Set 3

Set 3

Set 4

Set 4

Set 5

Set 5

Set 6

Set 6

Set 7

Set 7

Set 8

Set 8

Set 9

Set 9

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set 10

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set 11

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set 16

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set 17

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COMPARATIVE POLICE SYSTEM 1

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COMPARATIVE POLICE SYSTEM 2

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COMPARATIVE POLICE SYSTEM 3

COMPARATIVE POLICE SYSTEM 3

COMPARATIVE POLICE SYSTEM 4

COMPARATIVE POLICE SYSTEM 4

INDUSTRIAL SECURITY AND SAFETY MANAGEMENT 1

INDUSTRIAL SECURITY AND SAFETY MANAGEMENT 1