Philips Lighting Theory Essentials - Marketplace Magazine

Watch all the Philips Lighting Theory videos and complete this questionnaire and go into the draw to win one of five Smart Bright LED 20W Portable Work Lights

Philips Lighting Theory Essentials

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Q1. What does the symbol Lambda mean?

Q2. What are the 3 methods to generate light?

Q3. What is the lifetime of an Incandescent vs a halogen lamp?

Q4. What Colours are combined to produce white light in a LED light source?

Q5. What is the measure of a light source efficacy?

Q6. What is the unit of Lumens intensity?

Q7. Light falling on any surface is measured in what?

Q8. What does the CIE colour rendering index of 100 represent?

Q9. What is the standard unit of colour temperature?

Q10. What are the 2 different types of Glare?

Q11. How many colours are used to evaluate the colour rendering performance of a light source?

Q12. Of all global energy consumptions, what is used for lighting?