Correct option is A
Looping-in method: This refers to a specific electrical wiring technique used in connecting street lights, and while it's important for installation efficiency, it doesn't directly impact the quality of the light itself.
Optical guidance: This refers to the design of the light fixture and optics, which determines how light is directed and distributed, impacting brightness, uniformity, and glare control.
Limitations of glare: Glare is a major concern in public lighting as it can cause discomfort and vision impairment, so managing glare is crucial for quality.
Level of luminance: This refers to the brightness of the light emitted, a direct measure of its intensity, which is a key factor in determining the quality of public lighting.
