The Nobel Prize in Physics 2014 was awarded for the invention of _____ LEDs, enabling bright and energy-saving white light.
- Red
- Green
- Blue
- Yellow
Answer: Blue
The 2014 Nobel Prize in Physics was awarded to Isamu Akasaki, Hiroshi Amano, and Shuji Nakamura for inventing efficient blue light-emitting diodes (LEDs), which enabled the creation of bright, energy-saving white light sources.