2261. What is the temperature at which the speed of sound in air becomes double its value of 0°C?
819°C
2262. Who said ‘We live in a wonderful world that is full of beauty; charm and adventure There is no end to the adventures that -we can have if only we seek them with our eyes open’?
Jawaharlal Nehru
2263. Who is the author of “Shristiyum Shristavum”?
Prof. S. Guptan
2264. Pakshipathalam bird sanctury is located in?
Wayanad
2265. Who is the creator of the famous character “Portio”
Shakespeare
2266. The protector of the heart is ?
Pericardium
2267. Where is Copacabana Beach located?
Rio de Janeiro
2268. When did Ikhtiyaruddin-bin-Bakhtiyar Khalji invade Bengal?
1206 AD
2269. Who is the inventor of Cosmic Rays?
R.A.Millikan
2270. Who is the author of “From India to America”?