What does illumination refer to physics?

• Illumination is a measure of the light falling upon a surface and luminance is a measure of the light emitted by a surface. • Luminance is normally defined in terms of intensity; it is the luminous intensity per unit area of a primary (emitting) or secondary (reflecting) light source.

What does Illumination mean?

1 : the action of illuminating or state of being illuminated: such as. a : spiritual or intellectual enlightenment. b(1) : a lighting up. (2) : decorative lighting or lighting effects.

What is the best definition of illumination?

The best definition of “illumination” is “Clarity or understanding, enlightenment.” … Illumination means that the individual has reached a level of knowledge and understanding that makes him/her a peaceful being, tolerant, and compassionate with other fellow beings, capable of understanding different truths.

What is an example of illumination?

The definition of an illumination is the act or process of making something clearer or brighter or a device for doing so. An example of an illumination is an explanation. An example of an illumination is a bright porch lamp. … The act of illuminating, or supplying with light; the state of being illuminated.

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What is the purpose of illumination?

Proper lighting can enhance task performance, improve the appearance of an area, or have positive psychological effects on occupants. Indoor lighting is usually accomplished using light fixtures, and is a key part of interior design. Lighting can also be an intrinsic component of landscape projects.

What is the law of illumination?

The law states that Illuminance at a point on a plane is proportional to the cosine of the angle of light incident (the angle between the direction of the incident light and the normal to the plane). … The maximum Illuminance occurs when the element of area receives the light flux normal to its surface.

What does illumination mean in reading?

Illumination is light. Kids up past their bedtimes have been known to read entire books under their covers using only the illumination from a flashlight. Use the noun illumination to talk about light, like the illumination of the moon on the surface of a lake.

What is another word for illumination?

Illumination Synonyms – WordHippo Thesaurus.

What is another word for illumination?

light radiance
lighting gleam
glare glow
brilliance flash
fluorescence incandescence

What is the root word of illuminate?

Word Origin for illuminate

C16: from Latin illūmināre to light up, from lūmen light. WORD OF THE DAY.

What are the 3 types of lighting?

3 Basic Types of Lighting

  • Ambient lighting.
  • Task lighting.
  • Accent lighting.

What does poor illumination mean?

Poor lighting can cause several problems such as: Insufficient light – not enough (too little) light for the need. Glare – too much light for the need. Improper contrast. Poorly distributed light.

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What is illumination power?

Illuminating Power. The relative light given by any source compared with a standard light, and stated in terms of the same, as a burner giving an illuminating power of sixteen candles.

What is the formula of illumination?

The luminous flux falling on the area dA from a source of intensity I is given by dF = IdA cos φ/r2, as shown in the diagram at the left. This follows directly from the definition of I as luminous flux per unit solid angle and the definition of solid angle.

What is the biblical doctrine of illumination?

The doctrine holds that human beings require a special divine assistance in their ordinary cognitive activities. Although most closely associated with Augustine and his scholastic followers, the doctrine has its origins in the ancient period and would reappear, transformed, in the early modern era.

What is the difference between ambient lighting and task lighting?

Ambient lighting is also known as general lighting, and it is used to provide light to an overall area, such as a room. … Task lighting is lighting which is designed to help you accomplish a specific task. For example, in the kitchen you may want to illuminate the worktops in order to make cooking easier.

What does illumination mean in art?

Illumination is the act of illuminating, or creating and supplying with light. For the Illustrators of the Middle Ages, the creation of this light I believe holds a much deeper meaning than being purely aesthetic. Most of these illustrated manuscripts were religious texts, and they were portraying religious stories.

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