Chapter 11: The Human Eye and the Colourful World
Science • Class 10 • Science Class 10
11
The Human Eye and the Colourful World
Science • Class 10 • Science Class 10
Related PYQs (2)
2021•Prelims•Paper 1 (GS)•Q.72
With reference to street-lighting, how do sodium lamps differ from LED lamps?
1
Sodium lamps produce light in 360 degrees but it is not so in the case of LED lamps.
2
As street-lights, sodium lamps have longer life span than LED lamps.
3
The spectrum of visible light from sodium lamps is almost monochromatic while LED lamps offer significant colour advantages in street-lighting.
General Science
2021•Mains•GS-III•Q.16
The Nobel Prize in Physics of 2014 was jointly awarded to Akasaki, Amano and Nakamura for the invention of Blue LEDs in 1990s. How has this invention impacted the everyday life of human beings?
Physics
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