EW L4 ILLUMINATION
Authored by C L NHLABATHI
Science
University
NGSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the symbol for illuminance?
F
E
L
K
Tags
NGSS.MS-PS4-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the symbol for luminous efficiency
F
L
E
K
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of measurement of total luminous flux?
lumen
candela
lumens per watt
lumen per squared meter
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is not necessary for a good lighting scheme to provide light of suitable colors.
True
False
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quality of light does not mean that the illumination should be glare-free and shadowless
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
With this system, almost 90-95% of the available light falls directly on the surface.
Indirect lighting
Semi-direct lighting
General lighting
Direct lighting
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The system best suited for rooms with high ceiling. is called a.....?
Direct lighting
Semi-direct lighting
Semi-indirect lighting
General lighting
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