Black Body Color Temperature Scale Quiz

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following characteristics defines a particular coloration as mentioned in the text?

  • Transparency
  • Saturation (correct)
  • Luminance
  • Brightness

What is brilliance referred to as in the MUNSELL Color System?

  • Chroma
  • Translucency
  • Value (correct)
  • Luminance

Which colors have 100 percent purity and therefore maximum chroma?

  • Spectral colors (correct)
  • Primary colors
  • Secondary colors
  • Complementary colors

What does the brilliance (value) of a pigment or coloration relate to?

<p>Its reflectance to white light (A)</p> Signup and view all the answers

What is chroma or saturation thought of as in relation to color?

<p>The difference from gray (A)</p> Signup and view all the answers

In what way do we create color by mixing pigments according to the text's information?

<p>Subtractive process (A)</p> Signup and view all the answers

What is the purpose of developing a black body color temperature scale?

<p>To compare the color of a light source to the scale (A)</p> Signup and view all the answers

How is temperature measured in the context of light sources?

<p>In degrees Kelvin (C)</p> Signup and view all the answers

What does the color temperature of a light source indicate?

<p>The color of the light produced (D)</p> Signup and view all the answers

How does selective absorption affect the color of light reflected or transmitted from a surface?

<p>It alters the color composition of the reflected/transmitted light (C)</p> Signup and view all the answers

What happens when white light passes through a piece of red glass?

<p>It emerges as reddish light (A)</p> Signup and view all the answers

When should transmission factors be used according to the text?

<p>For materials displaying non-selective absorption (B)</p> Signup and view all the answers

What is the term for the unit of luminous intensity?

<p>Candela (A)</p> Signup and view all the answers

In the context of color constancy, what illuminant color is considered desirable at high levels?

<p>Cool (B)</p> Signup and view all the answers

What is the unit used to measure density of luminous flux?

<p>Footcandle (B)</p> Signup and view all the answers

Which colors are generally associated with 'advancing' characteristics?

<p>Red and Yellow (B)</p> Signup and view all the answers

What unit is used to measure the brightness or luminance of a surface?

<p>Footlambert (A)</p> Signup and view all the answers

Which color illumination is desirable at low levels according to the text?

<p>Warm (D)</p> Signup and view all the answers

What is the main concern with reflected glare?

<p>Loss of contrast due to reflection of the light source (B)</p> Signup and view all the answers

In what scenario is reducing visual impairment due to reflected glare most effective?

<p>When a single luminaire is involved and viewer placement is adjustable (D)</p> Signup and view all the answers

What is an undesirable feature according to the text in relation to contrast?

<p>Contrast in the field of view (A)</p> Signup and view all the answers

What is the primary cause of reflected glare?

<p>Bright objects within the field of vision (B)</p> Signup and view all the answers

How can visual impairment due to reflected glare be most effectively reduced?

<p>Avoiding reflections by adjusting the viewer's placement (D)</p> Signup and view all the answers

What factor contributes to the marked difference between proper reflectances and excessive brightness ratios in an installation?

<p>Low surroundings reflectances causing excessive brightness ratios (C)</p> Signup and view all the answers

What is the relationship between footlamberts and lumens per area?

<p>Directly proportional (B)</p> Signup and view all the answers

How is luminous intensity (candlepower) computed?

<p>Averaging candlepowers in all directions from an ideal point source (A)</p> Signup and view all the answers

What do Candlepower Distribution Curves show?

<p>Candlepower figures at various angles (D)</p> Signup and view all the answers

In making Candlepower Distribution Curves of a nonsymmetrical source, how many planes are typically chosen?

<p>3 planes (D)</p> Signup and view all the answers

What is the purpose of plotting resultant candlepower figures at various angles on polar coordinate axes?

<p>To obtain a Candlepower Distribution Curve (A)</p> Signup and view all the answers

Why is it important to know the reflection of a given surface?

<p>To easily compute brightnesses (C)</p> Signup and view all the answers

Flashcards are hidden until you start studying

Related Documents

Lighting Fundamentals PDF

More Like This

Use Quizgecko on...
Browser
Browser