INTRODUCTION To LIGHTING

Light is a ______________

Rod operates during______​ with ​​______ enivironments.

• nigth time
• bright

• morning
• dark

• afternoon

Cones operates during​_______ with_______ ​​ enivironments. It can _______​

• day time
• morning
• bright
• detects color

• sunny

Factor Affecting Visual

• Siza

• Light

• Contrast

• Bright

• Luminance

Based on Figure characteristics of light______

• absorb

• transmission

• light

• diffusion

When light travels from one material to another, it refracts

whether it bends or change velocity.

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• 
• 
• 
• 

ü  The factor that influences the quality of light as stated below

• Colour

• luminances.

• Surface Reflectantce

•  object

• Brightness

is the density of luminous flux reaching a surface.

Illuminance is measured in lux.

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• 
• 
• 
• iIIumination

Labeling the visual performance requires sufficient light

• Lar

• Luminous Intensity

• Light

• Luminous Flux

• iIIumination

What the 2 Laws of lighting

• Inverse Surfaces Law

• The Inverse Square Law

• Lambert’s Cotsine law

• Lambert’s Cosine law

• iIIumination Law