Are you Ready for Insta 75 Days Revision Plan (UPSC Prelims - 2020)?
27 September 2014
Q1) “There is a growing concern over Atmospheric Brown Cloud and its impact on South Asia”. What are the causes and consequences of Atmospheric Brown Cloud?
Q2) What do you understand by ‘Nuclear Umbrella’? How relevant it is in contemporary world geopolitics? Substantiate.
Q3) Write short notes on
- OLED display
- Wireless Energy Transfer
- Vortex Engine