ThatQuiz Test Library Take this test now
Magical LED Lights - Test
Contributed by: Foster
  • 1. What does LED stand for?
A) Luminous Energy Display
B) Laser Emitting Device
C) Long Electric Device
D) Light Emitting Diode
  • 2. What is the main advantage of LED lights over traditional incandescent bulbs?
A) Color variety
B) Cost effectiveness
C) Energy efficiency
D) Brightness
  • 3. Can LED lights change color?
A) Yes
B) Only once
C) Varies by brand
D) No
  • 4. How long can LED lights typically last compared to traditional bulbs?
A) Much longer
B) Only half as long
C) About the same
D) Slightly longer
  • 5. What does the term 'color temperature' refer to in LED lights?
A) Number of colors emitted
B) Warmth or coolness of light
C) Time taken to change colors
D) Efficiency of light output
  • 6. Which type of LED light can be controlled remotely using a smartphone?
A) Regular LED
B) Dumb LED
C) Basic LED
D) Smart LED
  • 7. What is a characteristic of LED lights that makes them popular for outdoor use?
A) Wavelength
B) Temperature sensitivity
C) Durability
D) Weight
  • 8. LED lights are commonly used in __________ signs.
A) Vinyl
B) Neon
C) Wooden
D) Paper
  • 9. LED lights do not produce as much __________ as traditional incandescent bulbs.
A) Noise
B) Light
C) Vibration
D) Heat
Created with That Quiz — where test making and test taking are made easy for math and other subject areas.