Deck 4: Light Theory and Digital Imaging

Question 1

The portion of the electromagnetic spectrum that affects the sense of sight in humans is called the:

A) Observable spectrum
B) Visible spectrum
C) Discernible spectrum
D) Perceptible spectrum

Answer 1

B

Question 2

Radiation is seen as colors, the longest of which is seen as red and the shortest of which is seen as:

A) Indigo
B) Violet
C) Orange
D) Black

Answer 2

B

Question 3

When all wavelengths of the visible spectrum are radiated by a light source in equal amounts, the mixture is seen as this color.

A) White
B) Black
C) Red
D) Clear or invisible

Answer 3

A

Question 4

The point at which light rays converge after traveling through glass is called the:

A) Focus
B) Convex
C) Core
D) Nucleus

Question 5

Which of the following is NOT one of the factors that can affect the resolution of a digital image as discussed in the text?

A) Camera resolution
B) Shutter speed
C) ISO setting on the camera
D) Duration of the photographic exposure

Question 6

The process of constructing a full color image from the Bayer filter colors is a process referred to as Bayer interpolation or:

A) Utterance
B) Filter declaration
C) Counter Manifestation
D) Demosaicing

Question 7

JPEG stands for:

A) Java Photographed Embodied Graphic
B) Junction Progression Expelled Graphic
C) Joint Processed Imaging Grouping
D) Joint Photography Expert Group

Question 8

A Bayer Filter is rather complex, using transparencies of black and white filters to produce over 1,000 known colors.

Question 9

TIFF stands for Tagged Image File Format and is another type of image file that can be generated by a digital camera.

Question 10

Camera sensors are not capable of producing color images.

Question 11

Lights sources such as the sun and flames emit radiations within the visible spectrum and are referred to as nonluminous objects.

Question 12

Light, heat rays, X-rays, and radio waves are all forms of radiant energy.