501. Total internal reflection can take place when light travels from which thing?
Diamond to glass
502. At the time of short-circuit, what will be the current in the circuit?
Increases heavily
503. "Crossing the Threshold of Hope" "Gift and Mystery" “Roman Tryptych Meditations" "Rise up Let us Go"; "Memory and Identity" are the books written by?
Pope John Paul II
504. Tulsidas composed his ‘Ramcharitamanasa’ in the reign of which ruler?
Akbar
505. Which ancient Mahajanapadas was located on the bank of Yamuna ?
Vatsa
506. Name the inventeer of Telescope in 1609?
Galileo Galilei; an Italian scientist
507. Which plain formed due to the weathering of lime stone?
Karst plains
508. The film that received more international award than any other film in the history of Malayalam cinema is?
Piravi (1987 - Shaji N Karun)
509. Who got the ‘Bharat Ratna’ award, before becoming the President of India?
Dr. Zakir Hussain
510. The first formal treaty between the English East India Company and the king of Travancore was in ?
1723