Light Quiz CST

What does the sun's light consist of?

• Sound waves

• Electromagnetic waves

• Water waves

• Heat waves

What happens to sunlight when it passes through water droplets?

• It disappears

• It splits into colors

• It becomes brighter

• It turns into sound

What is the principle form of natural light?

• Moonlight

• Sunlight

• Starlight

• Firelight

Who is associated with the invention of the incandescent lamp?

• William Murdoch

• Thomas Edison

• Nick Holonyack

• Edward E. Hammer

What year is associated with the invention of the CFL lamp?

• 1800

• 1976

• 2006

• 1934

What type of radiation does artificial light usually contain?

• X-ray

• IR and UV

• Gamma

• Microwave

What does illuminance correlate with?

• Human brightness perception

• Human sound perception

• Human taste perception

• Human smell perception

What is the typical illuminance level during twilight?

• 10 lux

• 107000 lux

• 10700 lux

• 0.0001 lux

Which of the following is NOT a unit of measure for light?

• Lumen

• Candela

• Lux

• Kilogram

What is the main difference between types of artificial light sources used in buildings?

• The color of the light

• The type of bulb inserted

• The size of the bulb

• The shape of the bulb