Photographic

Question 1

Greek work light

Answer 1

Photos

Question 2

Greek word drawing

Answer 2

Graphos

Question 3

1819

Answer 3

John hersel

Question 4

Discover the properties of thiosulfate

Answer 4

John hersel

Question 5

Pave the way of permanent pictorial production

Answer 5

Discovery of fixing properties of thiosulfate

Question 6

1839

Answer 6

first exhibit with photographs was done

Question 7

released his formula to manufacture a familiar
daguerreotype

Answer 7

Louise daguerre

Question 8

made the first photographic portrait

Answer 8

Dorothy Catherine draper

Question 9

improved and perfected the “WET-COLLDION
PROCESS”

Answer 9

Archer (1851)

Question 10

discovered the SUPERIOR GELLATIN process, which had been preferred by the public

Answer 10

Maddox (1851)

Question 11

discovered that dye molecules absorbed on
the silver haldes crystals greatly increased the
light sensitivity of these crystals

Answer 11

Vogel (1873)

Question 12

introduced TRANSPARENT ROLL FILM and popularized the SNAP SHOT

Answer 12

George eastman (1889)

Question 13

Introduce transparent roll

Answer 13

George eastman

Question 14

Popularized snap shot

Answer 14

George eastman

Question 15

sucessfully reproduced images as negatives
on papers impregnated with silver salts

Answer 15

Thomas wedgewood

Question 16

Hoescht Dye Works in Germany used color sentisized emulsions

Answer 16

1904

Question 17

Velox developing paper was discovered by

Answer 17

Leo Beakland (1906)

Question 18

Wratten panchromatic plates were introduced.

Answer 18

1906

Question 19

Portrait Film was introduced and at the same
time, Projection Printing came into general use

Answer 19

1920

Question 20

natural color film amateur color prints were
introduced respectively

Answer 20

1928 & 1941

Question 21

Amateur used photography:

Answer 21

Prints
Home movie
Small transparency

Question 22

process of producing image by the action of
light or other radiant energy

Answer 22

Photography

Question 23

Photography includes ________ and ________ LIGHT are included
as initiators

Answer 23

Ultraviolet
Infrared

Question 24

are widely used for medical use, x-rays, graphical arts, and engineering drawings but are slower compared with SILVER HALLIDE films.

Answer 24

Silverless films

Question 25

a new development that threatens to take over some of silver film market

Answer 25

Electron camera

Question 26

uses VIDEOTAPE instead of FILM to produce image

Answer 26

Electron camera

Question 27

emplloyed as the sensitive substance in most widely used photographic products

Answer 27

Silver halide

Question 28

has natural sensitivity to ultraviolet and blue radiation

Answer 28

Silver halide

Question 29

composed of suspension of minute silver halide crystals in gelatin

Answer 29

Emulsion

Question 30

fogging of the emulsion by light reflected into it from the back surface of the film

Answer 30

Halation

Question 31

Capable of reducing exposed crystal of silver halide in emulsion to silverwithout reducing the the unexposed crystal at the same time

Answer 31

Developing agent

Question 32

Active developing agent and pH control

Answer 32

Activator

Question 33

Gaurd against oxidation, prevent staine of emulsion

Answer 33

Preservatives

Question 34

Prevent chemical fog