2461. Longest Steel Arch Bridge?
New River Gorge Bridge; 518.2 m long (West Virginia; USA)
2462. E-Post was started in ?
2002
2463. Who is the inventor of Lever; Principle of?
Archimedes
2464. Malayalam became an independent language; freed from Tamil during the period of ?
Kulasekharas (9th Century AD).
2465. What does the Preamble of our Constitution contin?
The spirit of the Constitution
2466. Who wrote the book Babubivah?
Ishwar Chandra Vidyasagar
2467. Who is the author of “Chithirappavai”?
P.Y.Akilandam
2468. What work is work done in moving a positive charge on an equipotential surface?
Zero
2469. Who is the author of “Harsha Charita”?
Bana Bhatt
2470. Which country is well known for diamond cutting industry ?
Belgium