Linking Items of Daily use with General Science
In this sub-section, focus is on application of general science especially physics, chemistry and biology on items of common use like LEDs, LCDs, electronic appliances etc. Additionally, purely factual questions on General science are also asked every year.
Q. Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices. What are the advantages of OLED displays over Liquid Crystal displays? (Prelims 2017)
- OLED displays can be fabricated on flexible plastic substrates.
- Roll-up displays embedded in clothing can be made using OLEDs.
- Transparent displays are possible using OLEDs.
Analysis: This question is based on application of General Science on items of daily ....