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WorksheetsLighting Design Set 1
Total questions: 10
Worksheet time: 6mins
The two basic ways in which bending occurs in optics is by ________ and ________ .
reflection, intervention
Intersection, rectangular
intersection, refraction
reflection, refraction
Different length of waves have different colours, the shorter waves are _______ in colour and the longest waves are ______ .
blue, yellow
red, magenta
blue, red
white, red
What is an incandescent lamp?
Low pressure gas discharge lamp
An electric current passes through a thin filament, heating it until it produces light
Contains high pressure gas inside the bulb allowing the filament to burn hotter and longer
A tiny electronic device that emits light
A transformer
transforms voltage and amperage up or down
produces lighting pollution
transform white light into colour light
limits the amount of current in an electric circuit
The colour variation is referred to as the colour temperature and is measured in degrees
Candela
Kelvin
Luminous flux
Lumen
Various techniques are needed for an effective lighting design. One of the techniques is accent lighting that
diffuse light that fills a room, reduces shadows and create a sense of openness and comfort
looks attractive rather than provide much useful light
requires an understanding of where items might be placed that deserve particular attention
creates soft ambient light
Electronic ballasts are now most commonly used, in spite of their higher acquisition costs, they have many advantages such as
to step up or down a voltage
automatic shutdown in case of a fault in the lamp
good energy utilization
a quick and flicker-free start
quiet operation
Glare is a visual sensation caused by
an inconstant or wavering light
cosy and dimmed lighting
the colour variation of light
excessive and uncontrolled brightness
The benefits of using LED Technology lamps are
It creates glare
To reduce power consumption by up to 80%
Mainly for decoration purposes
Direct coherent light source with a high contrast at lower levels and zero light overspill
Power directed to light, no heat
Interior lighting design involves both quantity and quality of lights. The essential functions of interior lighting are
To provide visual comfort
To provide lighting pollution
To provide comfortable working environment
To provide particular illumination effect
To provide visual acuteness
