2191. Which phenomena is used in optical fibres?
Total internal reflection
2192. Name the philosopher who first articulated the concept of Pakistan in 1931?
Muhammed Iqbal
2193. The Asian Games were held in Delhi for the first time in which year?
1951
2194. First Russian Prime Minister to visit India?
V.I.Bulganin
2195. The quantity of blood taken at a time of blood donation is only?
300 ml
2196. Which has geographical position of 0 degree latitude and 0 degree longitude?
In the South Atlantic Ocean
2197. To which community Kapilar and Paranar famous poets of Sangham Age; belonged to?
The 'Pana' community.
2198. Who was assigned the first Iqta in India by Mohammad Ghori?
Qutbuddin Aibak
2199. Which part of Delhi where Aibak laid the foundation of the first so called 'Seven cities' of medieval Delhi;?
Mehrauli
2200. In the realm of coal production in the world, what is the rank of india?
Fourth