The Science of Photography

Name:

Date:

Instructions: Explore the science and technology behind capturing images, from film to digital

1.
What is the earliest known photographic process, announced in 1839?
A
Daguerreotype
B
Calotype
C
Polaroid
D
Tintype
2.
What does a camera lens do to light to create an image?
A
Absorbs it
B
Filters out all colors
C
Focuses it onto a sensor or film
D
Reflects it randomly
3.
What is the 'aperture' of a camera lens?
A
The focus distance
B
The opening that controls how much light enters
C
The zoom level
D
The shutter speed
4.
George Eastman founded which company that made photography accessible to the masses?
A
Fuji
B
Canon
C
Kodak
D
Nikon
5.
What chemical process was traditionally used to develop photographs from film?
A
Photochemical development using silver halides
B
Digital conversion
C
Electrolysis
D
Laser printing
6.
What does ISO measure in photography?
A
Lens diameter
B
Color depth
C
Image size
D
Sensitivity to light
7.
Edwin Land invented which type of camera that produced instant prints?
A
Polaroid camera
B
Disposable camera
C
Box camera
D
Rangefinder camera
8.
What does a digital camera use instead of film to capture images?
A
An electronic image sensor
B
Magnetic tape
C
A laser
D
Thermal paper
9.
What is the term for the amount of time a camera's shutter is open during exposure?
A
Aperture
B
Focal length
C
Shutter speed
D
White balance
10.
The pinhole camera, one of the simplest image-forming devices, works on which principle?
A
Polarization
B
Rectilinear propagation of light
C
Diffraction
D
Refraction
11.
What does the term 'megapixel' refer to in digital photography?
A
The size of the lens
B
The storage capacity
C
The speed of the processor
D
One million pixels of image resolution
12.
What part of the electromagnetic spectrum do infrared cameras detect?
A
Visible light
B
Gamma rays
C
Ultraviolet radiation
D
Heat radiation
13.
What is the 'depth of field' in photography?
A
The range of distance that appears sharp in a photo
B
The distance from camera to subject
C
The width of the image
D
The brightness of the photo
14.
What technology replaced chemical darkrooms for most professional photographers?
A
Digital image editing software
B
Overhead projectors
C
Photocopiers
D
Fax machines
15.
The first photograph of Earth taken from space was captured during which NASA program?
A
Mercury
B
Apollo
C
Gemini
D
Explorer

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