Natural and Artificial Lighting Sources

Question 1

the smallest quantity of energy that can be transported

Answer 1

Light

Question 2

also known as daylighting emanates either from the sun, stars or fire. It is a technique that efficiently brings natural light into your home using exterior glazing (windows, skylights, etc.), thereby reducing artificial lighting requirements and saving energy.

Answer 2

Natural Lighting

Question 3

-has been proven to increase health and comfort levels for building occupants.

-which produces heat and color, comes from the
radiation given off by the sun.

Answer 3

Natural Lighting

Question 4

incorporating external glazing’s into occupants’ stay. Various examples include windows and skylights, which means placing a glass on a
roof. This allows light to pass through from the top.

Answer 4

Direct Sunlight

Question 5

light reflecting off of ground surfaces, adjacent buildings, light shelves, and wide window sills. Excessive reflectance is undesirable as
it causes glare.

Answer 5

External Reflection

Question 6

Sources of Natural Lighting

Answer 6

Direct Sunlight, External Reflection, Internal Reflection

Question 7

light reflecting off of internal walls, ceiling, and the floor at home. This also includes high reflective surfaces such as smooth or glossy
surfaces, light colored finishes, and mirrors around the room.

Answer 7

Internal Reflection

Question 8

Benefits of Natural Lighting

Answer 8

Vitamin D, Mental Health, Better Sleep

Question 9

can consist of a filament that uses electricity or halogen gas to glow, or an electronic
device that emits light. C

Answer 9

Artificial Lighting

Question 10

They are generally considered to be the least energy efficient choice of electric lamp but are inexpensive, turn on instantly and come in a
range of sizes and shapes.

Answer 10

Incandescent Bulb

Question 11

The traditional bulb-type lamp with a glowing filament, once commonly used in residential applications.

Answer 11

Incandescent Bulb

Question 12

are available in various sizes and fittings and can be used in place of incandescent lamps without changing light fixtures. They are generally
more energy efficient than incandescent bulbs. Some are dimmable and are compatible
with other lighting controls.

Answer 12

Compact fluorescent lights

Question 13

a rapidly developing lighting technology and one of the most energyefficient lamps available. Compared to incandescent lamps, they can use around 75% less energy and can last 25 times longer although they can be more expensive. They are generally highly regarded for their comparable or better-quality light output compared to
other lighting types.

Answer 13

Light-Emitting Diode

Question 14

This is the general artificial lighting that provides overall illumination indoors for daily activities, and outdoors for safety and security. It can provide an even spread of light to give a comfortable level of brightness for most people to be able to see reasonably well and navigate safely around the room. Typically, it can be
provided by a pendant fitting or ceiling downlights.

Answer 14

Ambient Lighting

Question 15

This allows the completion of tasks such as reading, studying and way-finding. It is
used where ambient light levels are insufficient for the task in hand. Facilitates particular tasks that require more light than is needed for general illumination, such as under-counter kitchen lights, table lamps, or bathroom mirror lights.

Answer 15

Task Lighting

Question 16

This type of lighting imparts drama and character and allows certain features
regarded of interest to be highlighted. It draws attention to special features or enhances the aesthetic qualities of an indoor or outdoor environment.

Answer 16

Accent Lighting

Question 17

is the intersection of art (architecture) and technology (lighting).

illumination for building design and function. It focuses with the building’s interior or exterior aesthetic or character.

Answer 17

Architectural lighting

Question 18

is where designers and architects focus on the emotional impact the balance of lighting and architecture will have on occupants. It’s where designers determine how they want people to feel when they walk around a space.

Answer 18

Aesthetic

Question 19

Areas should be illuminated so occupants feel safe when navigating a room or entire
building. They should be able to see the floor and walls around them, which should
create a feeling of reassurance.

Answer 19

Function

Question 20

One thing to create a breathtaking layout that is by energy efficient. This can be
done by assuring the majority of the light is reaching its target and there is less
wasted light. Reducing the amount of wasted light will make the building more
efficient. An easy way this can be done is to install LEDs instead of fluorescent
lighting. Because of the technology, there is less wasted light with LEDs than
fluorescent due to the directional nature of LEDs.

Answer 20

Efficiency